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✈ | Decrease in number of people at 7% or more of major stations and downtown areas nationwide


Decrease in number of people at more than 7% of points Major stations and downtown areas nationwide

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According to data estimated by NTT DoCoMo, the number of people at 27:3 pm on the 2019th decreased by 12% from the average holiday in December 29.3 in Shibuya Center-Gai, Tokyo, compared to the 20.4th, which was a decrease of 20%. , The number of people has decreased.

The number of people on the last Sunday of 2020 decreased from last week at more than 7% of major stations and downtown areas nationwide, but increased at airports ... → Continue reading

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Holiday average


NTT DoCoMo, Inc.(NTT Docomo,English: NTT DOCOMO, INC.) IsMobile phone OfWireless communicationProviding services,JapanBiggestMobile carrier(MNO).Nippon Telegraph and Telephone(NTT)Wholly owned subsidiary.


1968年(Showa43) January 7,Nippon Telegraph and Telephone Public CorporationMobile communication servicesPagerThe origin of NTT Docomo is to start. Denden Public CorporationPrivatizationAfter1990年(2) In October,Japanese GovernmentAs a measure ofNippon Telegraph and Telephone"Separation of mobile communications business" was decided by the stock company,1991年(3) "NTT Mobile Communications Planning Co., Ltd." was established on August 8,1993年(5) of JulySpin-offTogether with this, we are providing services under the "NTT Docomo" brand.

Tokyo Stock ExchangeListed onPublic companyHowever, NTT owns more than 6% (64.1%) of the issued shares, and is a consolidated subsidiary of NTT (XNUMX%).Financial Instruments and Exchange ActAbove specified subsidiary).NTT Group OfOperating incomeEarn 7% of. However, "Law concerning Nippon Telegraph and Telephone Corporation"(Commonly known as the NTT Law) does not apply to our company.Special companynot.

""docomoThe name of "" is""Do Communications over the Mobile network""(Active and rich communication realized by mobile communication network) Is the spelling of the initials[2].2015年(27) Brand from JanuarysloganIs "Someday it will be obvious.. "

2008年(20) Merged regional companies in July,全国It became one company system. Until then, it was the core company that oversees the NTT Docomo Group, and at the same timeKanto regionandKoshinetsu districtIt was also a business company under the jurisdiction of. In order to distinguish it from the NTT Docomo Group as a whole, it was also called “(NTT) Docomo Central” for convenience. TogetherCorporate logo markThe old "NTT DoCoMoFrom the current "NTT docomoWas changed to ".2010年(22), the official English names are changed from "NTT DoCoMo, Inc."NTT DOCOMO, INC.Was changed to[3].

また2013年On October 25, 10, the company name was changed from "NTT DOCOMO" to "common name" until now.NTT DoCoMoUnified[4][Note 1].

2020年(2nd year of Reiwa) Currently,W-CDMA-HSPAUsingFOMA"(第 3-3.5rd generation mobile communication system,2001年(13) Service started),LTEUsingXi"(3.9rd generation mobile communication system, Service started in 2010),LTE-AdvancedUsingPREMIUM 4G"(4rd generation mobile communication system, Service started in 2015),5G NRUsingdocomo 5G"(5rd generation mobile communication system, 2020 (2 years Reiwa service started), and is developing various businesses centering on the mobile phone business.

I was working on it oncePHS"Service" is January 2008, 20[5],AlsoPDCUsingCity phone(Limited to Higashi-Meihan, 1.5GHz band2rd generation mobile communication system) Is2008年(20) June 6, "MOVA""DoPa(2G mobile communication system)2012年(24) April 3[6] Service ended.


  • 1968年(Showa43 years)
    • July 7-At Nippon Telegraph and Telephone Public CorporationPager serviceStart.
  • 1979年(54)
  • 1985年(60)
    • April 4-With the privatization of Nippon Telegraph and Telephone Public Corporation, ``Nippon Telegraph and Telephone Corporation(NTT)" is established.
    • November-Installed the Mobile Communications Division at the Advanced Communications Service Division of Nippon Telegraph and Telephone Corporation.
  • 1987年(62)
  • 1988年(63)
    • October-"NTC Central Mobile Communications Co., Ltd." and regional mobile communication companies established.
  • 1990年(Heisei2 years)
    • March-Separation of NTT's mobile communications businessJapanese GovernmentDetermined as a measure.
  • 1991年(3)
    • April 4-Launch of "ultra-small mobile phone, mova".
    • July 8-``NTT Mobile Communications Planning Co., Ltd.Was established.
    • November 11-Regional mobile communication planning (Hokkaido, Tohoku, Tokai, Hokuriku, Kansai, China, Shikoku, Kyushu) established.
  • 1992年(4)
    • July 4-``NTT Mobile Communications Network Co., Ltd.Changed the trade name to.
    • May 5-Communication brand isNTT DoCoMoDecided to ".
    • July 7-NTT's mobile communications business (cell phones, car phones, wireless calls,Ship phone, Aircraft public telephone) was transferred, and business started.
    • October 10-The first Docomo shop (Hachioji store) opens.
  • 1993年(5)
    • February-Number of mobile/car phone service contractsOver 100 million.
    • August 3- 2rd generation mobile communication system"Mova digital system (PDCmethod·800MHz band)” service started.
    • July 7-From NTT Mobile Communications Network Co., Ltd., 1 companies in each region (Hokkaido, Tohoku, Tokai, Hokuriku, Kansai, Chugoku, Shikoku, Kyushu) will be separated and established, and the system will be 8 companies nationwide ( The trade name of each regional company is "NTT XX Mobile Communication Network Co., Ltd." XX (the area name is entered in parentheses).
    • October 10-NTT Mobile Communications Network Co., Ltd. and each regional company absorb and merge the contracted companies in each region, and nine companies nationwide share the operations and networks of each region The system is established. NTT Mobile Communications Network Co., Ltd. operates the Kanto/Koshinetsu area and has the function of research and development as a central company.
  • 1994年(6)
    • April 4-Introduction of "Terminal purchase system" for mobile phones and car phones.1G mobile communication system "digital system (2) GHzObi) ”service started (Kanto・Tokai/Kansai area only. In the Kanto and TokaiCity phone". In the Kansai area, "Citio").
  • 1995年(7)
    • March 3-Introducing a pager "Terminal Purchase System".
  • 1996年(8)
    • March 3-"Pager Next Service (FLEX-TD method)" start. Launch of satellite mobile/car phone service and satellite ship phone service.
    • July 8-``ALADDIN(Business processing support tool) has been introduced first in the Shin-Etsu district.
  • 1997 year (Heisei 9 year)
    • February 2-Mobile and car phone service contractsOver 1000 million.
    • March 3-Packet communication service "DoPa" started.
    • August 6- SMS"Short Mail" service started.
    • December 12-Finish accepting new applications for analog services.
  • 1998年(10)
    • March 3-KanagawaYokosuka-Yokosuka Research Park Established "NTT DoCoMo R & D Center" in (YRP).
    • July 7-"DoCoMo", the first overseas subsidiary Europe Established "SA".
    • February 8-Mobile and car phone service contractsOver 2000 million.
    • August 10- ISPStarted service "mopera".
    • August 10- Tokyo Stock ExchangeListed in the second part.
    • November-Start point program service "ClubDoCoMo".
    • December 12-NTT Central Personal Communications Network Co., Ltd. PHS business from the business transfer (same for each region).
  • 1999 year (Heisei 11 year)
    • July 2-``i-mode"Start the service.
    • March 3-31st generation mobile communication system "mobile phone service (analog method)" service, "ship telephone (analog method)" service ended.
    • April 4-Combined mobile phone and PHS terminal "Dutchimo" sold.
    • October - "Puri callService (then "Mobiles check"Change to").
    • November 11-"NTT DoCoMo USA, Inc." established.
  • 2000年(12)
    • March 3-The mobile phone industry's first broken mobile phone site "DoCoMo6.com" opened.
    • March 3-Headquarters changed to Nippon Mining Building (laterE-MobileHeadquarters move in),Sanno Park TowerMoved to.
    • July 4-``NTT DoCoMo, Inc.Changed the trade name to "(The same applies to each region) (The trade name of each regional company is "NTT Co., Ltd. ○○"○○"○○ is the area name).
    • February-Number of mobile/car phone service contractsOver 3000 million.
    • August 8-Number of i-mode service subscriptionsOver 1000 million.
    • October 10-Established "DoCoMo Europe (UK) Limited".
  • 2001 year (Heisei 13 year)
    • January 1-"Pager Service" renamed "Quickcast" service.
    • August 1- Java application"i-appli"Start the service.
    • August 3-Number of i-mode service subscriptionsOver 2000 million.
    • July 7-Start the satellite aircraft telephone service.
    • August 10- 3rd generation mobile communication system"FOMA(W-CDMAmethod·2 GHz band)” service started.
    • November 11-Video distribution service "i motionStart.
    • August 12-Number of i-mode service subscriptionsOver 3000 million.
  • 2002年(14)
  • 2003 year (Heisei 15 year)
    • August 6- International roaming service"WORLD WINGStart.
    • August-The "mova" service peaks at about 8 million contracts and begins to decline after September.
    • July 9-``Melody call"Start the service.
    • September 9-"FOMA" serviceOver 100 million contracts.
    • August 10-Number of i-mode service subscriptionsOver 4000 million.
    • July 11-``Carry over for 2 monthsThe service (a free call charge that has not been used up can be carried over for 2 months) is started.
  • 2004 year (Heisei 16 year)
    • July 1-``i-mode disaster message board serviceStart.
    • March 3-"Analog Airplane Phone" · "Satellite Airplane Phone" end of service.
    • April 4-Apply DoCoMo point service membership organization "ClubDoCoMo" developmentally resolved, newly launched "DoCoMo Premier Club".
    • May 5-Start providing FOMA international roaming in service.
    • June 6-Start i-mode packet flat-rate service "Pake-hodai".
    • July 7-i-modeFeliCaservice"Mobile walletStart.
    • September 7-"FOMA" serviceOver 500 million contracts.
    • September 9-Mobile phone brand for beginners of mobile phonesEasy phoneThe first terminal in the seriesFOMA Easy Phone (FOMA F880i ES)” is released.
    • October 10-Start of "Free i-mode mail sending and receiving charges" between family discount contracts.
  • 2005 year (Heisei 17 year)
    • January-docomo originalcharacterAsDomodomoAppears.
    • February 2-"Free communication charge sharing" service between family discount contracts started.
    • September 2-"FOMA" serviceOver 1000 million contracts.
    • April 4-"PHS" service finished accepting new applications.
    • July 7-Established "DoCoMo Capital, Inc.".
    • July 9-``i channel"Start the service.
    • November 11-"FOMA" and "mova" common throughout the country "New basic rate plan" introduced.
    • February 11-Mobile and car phone service contractsOver 5000 million.
    • July 11-``Push talk"Start the service.
    • December 12-"Fami-wari wide" service started.
    • December 12-Credit brand ``iD"Start the service.
    • September 12-"FOMA" serviceOver 2000 million contracts.
  • 2006 year (Heisei 18 year)
    • January 1-PushTalk flat-rate service "Kake-hodai" started.
    • March 3-"Fami-wari Wide Limit" service,Imadoco search"Start the service.
    • August 3- Digital terrestrial broadcasting(One Seg) Sold compatible terminals.
    • August 4- creditservice"DCMXStart.
    • June 6-"Chaku-Uta Full" service started.
    • June 6-The number of "FOMA" service contracts exceeds the number of "mova" service contracts.
    • July 7-for Docomo絵 文字Started a service to convert to mobile phones of other companies.
    • August 8-HSDPA (31rd and XNUMXth generation mobile phones) compatible terminal service "Music Channel" started.
    • September 9-FOMA ``Answering machine"Service" Videophone support started.
    • September 9-"BlackBerry" service started.
    • September 11-"FOMA" serviceOver 3000 million contracts.
    • August 12- Fuji Television,ITOCHU Corporation"Multimedia broadcasting planning LLC GK" in a total of 5 companies (then "(then "multimedia broadcasting company" → "mmbi"Reorganized to)))) established.
  • 2007年(19)
    • February-From February chargesUniversal service chargeIs set.
    • March 3-Start packet flat-rate service for i-mode full browser "Pake-hodai full".
    • March 3-Nationwide FOMA service areaPopulation coverageAchieved 100%.
    • March 3-Closed the "quick cast" business.
    • August 4- SmartphonePacket flat-rate service forBiz HodaiStart.
    • July 5-``2in1"Start the service.
    • July 6-``Office discount"・Business call hodai"Start the service.
    • August 8-"Fami-wari MAX22" ・ "50 alone"Start the service.
    • July 9-``Office Discount MAX 50"Start the service.
    • September 9-"FOMA" serviceOver 4000 million contracts.
    • October 10-Start of "flat-rate data plan" service by FOMA.
    • November 11-FOMA 26i series new terminal sales and basic charge plan system "Value Course" and "Basic Course" started.
    • July 12-``Area mail(Emergency bulletin)" service started.
  • 2008年(20)
    • January 1-"PHS" business ends[7].
    • August 1- GoogleAnd business alliance regarding mobile internet services[8] Allows you to use "FOMA 904i series or later terminals"YouTubeIs officially available[9].
    • March 3-With the start of the e-Mobile voice call service, the FOMA network was introduced domestically in parts of 28 prefectures.roamingAvailable on connection.
    • April 4-"Fami-wari MAX 1" (or "family discount" and "Hearty discount)) or continue using it for more than 10 years, and select "Family Discount" and "(New) Ichinen DiscountChanged domestic calls to family members to free for FOMA subscribers who have subscribed to.
    • April 4-Change of corporate brand logo, announced "New Docomo Declaration".
    • June 6-"i-mode" additional function fee was changed from 1 yen including tax to 210 yen including tax.
    • June 6-"Digital system (30GHz band)" service ("Cityphone" for Kanto and Tokai, "Citio" for Kansai) ended.
    • August 7- Eight DoCoMo companies in each region will be absorbed and merged to form one operating system nationwide...At the same time, the corporate brand logo was changed from "NTT DoCoMo" to "NTT docomo"change to.
    • August 8-BlackBerry personal service "BlackBerry Internet ServiceStart.
    • July 9-``Flat-rate data plan HIGH-SPEED"Service" to "Flat-rate data discount"Service applies.
    • October 10-Review the packet fee system, a two-stage "Pake-hodai double" "Biz-hodai double" service that combines a flat-rate system and a pay-as-you-go system.
    • November 11-User agent service ``i-concierIs started.
    • November 11-Ended new application for "mova" service.
    • December 12-"FOMA High Speed" reach 26% of the population coverage of service areas.
    • December 12-New application for "Packet Pack 31" and "10", "Pake-hodai" and "Biz-hodai" ended.
  • 2009年(21)
    • January-The number of "iD" issuedOver 1000 million.
    • July 3-``Overseas plus numbers","Docomo communityIs now available.
    • March 3-"Packet Pack 31" and "60 same" ends new application.
    • April 4-"Pake-hodai double" is used to change the packet charges for PC connection and other fixed charges.
    • August 4- Oak Lawn MarketingCapital investment announced.
    • May 5-"Pake-hodai double" "Biz-hodai double" lower limit to 1 yen.
    • May 5-"Family Discount" "Office Discount" Free change in the group mail attachments of 1KB or more.
    • May 5-Mobile phone broadcasting station ``BeeTV"AvexJointly opened with (Avex Communications Broadcast).
    • September 6-"FOMA" serviceOver 5000 million contracts.
    • July 7-``Letter photo service"as well as"Flat-rate ubiquitous plan"Start the service.
    • February 7-Japan's firstAndroidEquipped smartphone, Google mobileHT-03AReleased.
    • August 7- AEON Co., Ltd.Jointly withAEON marketingEstablished "Co., Ltd."
    • August 8-Number of members of the credit service "DCMX"Over 1000 million members.
    • October 10-"Biz · Hodai double" packet charges such as PC connection changes to a fixed amount.
    • November 11-Japan's first commercialFemtocellIs a serviceMy areaStart.
    • December 12-New rate plan "Type Simple", new flat-rate service "Pake-hodai simple""Biz-hodai simpleIs now available.
    • December 12-"Pake-hodai double" contractor, the connection to a specific APN to start offering a fixed amount of communication charges other than i-mode.
  • 2010年(22)
    • July 3-``Mova ChemerEnd of service.
    • April 4-"Biz Hodai Double" integrated with "Pake Hodai Double". This made it possible to use i-mode and smartphones with a single SIM card at a fixed rate. Also, by applying for multiple NTT Docomo ISP services such as "i-mode" and "mopera" on the same day, the flat-rate charge will be discounted.ISP set discountIs now available.
    • April 4-A new fee service that allows you to use i-mode mail for freeEmail user HodaiStart.
    • August 4- DeNAJointly withEveryista Inc.Was established. On June 6, we started "E★Everya", a free posting site mainly for novels and comics.
    • April 4-Next satellite mobile phone service "Wide Star IIIs now available.
    • April 4-Available on both PC and i-modeDocomo WebmailIs now available.
    • June 6-English notation from "NTT DoCoMo, Inc."NTT DOCOMO, INC."change to.
    • July 7-Start offering discount business "Business Simple".
    • September 9-International roaming flat-rate service "Overseas Pake-hodai" started offering.
    • September 9-Payments for i-mode mail, web contents, and apps can be made on smartphones.sp modeIs now available.
    • September 9-Multimedia broadcasting subsidiary is certified for multimedia broadcasting.
    • September 9-"Push Talk" end of service.
    • October 10-i-appli for navigation ``Docomo map navigationService started.
    • August 11- Portable navigationInformation service "Docomo Drive Net" started.
    • December 12-For i-modePortal site"Docomo marketStart.
    • December 12-LTE3.9rd generation mobile phone"XiService started.
  • 2011年(23)
    • August 1- Dai Nippon PrintingIn cooperation with NTT Docomo, an e-book distribution site for smartphones and e-book readers,2DfactoStarted operation.
    • August 4- SIM lockStart releasing.
    • April 4-"Voice Delivery Service" started service.
    • April 4-Antivirus for smartphones "Docomo Anshin Scan" started.
    • July 7-Start "Docomo Medical Insurance".
    • November 11-Xi compatible smartphone launched. In addition, Xi new charge plan "Type Xi", fixed call plan between DoCoMo "Xi Kake-hodai" (Xi Talk 24), "Xi data plan", etc. are now available.
    • December-"FOMA" service peaks at about 12 million contracts, and begins to decline after January 5796.
    • August 12- PlayStation Vita Started providing prepaid data plan for (PS Vita).
    • December 12-"Xi" serviceOver 100 million contracts.
  • 2012年(24)
    • July 2-``Disney Mobile on docomoIs now available.
    • February 3-Mobile and car phone service contractsOver 6000 million.
    • March 3-`` Lady ShuttleboatWas made a subsidiary through a tender offer.
    • March 3-31nd generation mobile phone "mova" "DoPa" end of service.
    • March 3-"Mobiles Checks" end service.
    • April 4-Docomo Group's "mmbi" is a multimedia broadcasting service for smartphonesNOTTVStarted broadcasting.
    • 7 month - NTT FinanceStarted charge storage business. With this,NTT Group(NTT East,NTT WestandNTT Communications) It became possible to unify the payment with the charge.
  • 2013年(25)
  • 2014年(26)
    • March 3-London Stock Exchange delisted[10].
    • April 4-First in Japan as a Japanese mobile phone operatorVoice call flat rate system(Teledome,Navi dial,Telephone number informationChargesSatellite mobile phone,Short message service(There are exceptions such as sending to) and announced a new charge service "Kake-hodai & Pake-aeru" based on data communication.5/15Start accepting reservations from6/1Service provision started.
    • June 6-Voice call service by Xi ``Volta"(Voice over LTE) service started.
    • August 8-With the provision of the new fee service, the old fee service "Type Xi" is no longer accepted.
    • October 10-Android remote control service "Smart Data Link Mobizen" started service.
  • 2015年(27)
    • February-Substantial subsidiaryTower RecordRecochoku"Eggs project", a collaborative project with[11].
    • February-Charge your bill
    • March 3-NTT East/WestFLET'S HikariFixed line service using service wholesale "Docomo hikariService started.
    • August 10- タ カ ラ ト ミ ーCommunication Toy Omnibot jointly developed withOHaNAsStarted selling.
    • November 11-``d point card integrated credit card''d cardIssuance.
  • 2016年(28)
    • March 3-KoreanLG ElectronicsLTE-Advancedmethod,LTEmethod,W-CDMAIt depends on the terminal device for each standard of the method.Essential patentConcluded a license agreement.
    • June 6-ChineseHuaweiConcluded a license agreement for essential patents on mobile communication technology.
    • July 6-``NOTTV"The service ends.
    • November 11-TaiwanHTCConcluded a license agreement for essential patents for LTE-Advanced, LTE, and W-CDMA standards.
  • 2017年(29)
    • July 7-1th anniversary of the start of business.
  • 2018年(30)
    • April 4-New York Stock Exchange delisted[12].
    • August 12- Minoru industryDevelops a weeding robot for vegetable farmers in collaboration with Vegetable Club (Showa-mura, Gunma Prefecture)[13].
  • 2019年(ReiwaFirst year)
  • 2020年(2nd year of Reiwa)
    • January 1-Docomo Healthcare becomes a wholly owned subsidiary[14].
    • March 3-25th generation mobile phone "docomo 5G" started service.
    • April 4-Merged with Docomo Healthcare.
    • November 11-TOB (Tender Offer) by NTT is established.[15]
    • November 11-24 TOB settlement date. NTT's share certificate ownership ratio will be 17%.[15]
    • December 12-Data capacity 3 GBAnnounced the "ahamo" brand, which offers a price of ¥ 2,980 / month (excluding tax)[16]..The main target is in their 20s.
    • December 12-Tokyo Stock Exchange Part 25Delisted[17].
    • December 12-By request for sale of sharesNTT OfWholly owned subsidiaryBecomes

Main business

Segment classificationOur Business
Communication businessMobile communication services・ LTE (Xi) service
・FOMA service
・International services
・Terminal equipment sales, etc.
Optical communication services and other communication services・Optical communication service
・Satellite phone service, etc.
Smart life businessContent commerce service・DTV, d hits, d magazine, d shopping, d travel
・ DAZN for docomo
-Tower RecordCo., Ltd. etc.
Financial/settlement service・D card, iD
・Fee storage agent
・D payment etc.
Lifestyle service・D health care, d gourmet, d photo
・Oak Lawn Marketing Co., Ltd.
・ABC Cooking Studio, etc.
Other businessesCorporate solution・Corporate IoT
・System development, sales, maintenance contract, etc.
Anshin support・Mobile phone compensation service
・Anshin remote support, etc.

Mobile phone business

The number of mobile phone contracts in JapanAbout 7,967 million contractsIn the domestic mobile phone marketmarket shareIs about 44%, both ranked first (as of the end of December 1)[18].

Currently, W-CDMA and HSPA 3rd and 3.5th generation mobile phonesFOMAThe LTE-based 2010th generation mobile phone, which was launched on December 12, 24, ahead of domestic mobile operators.XiLTE-Advanced fourth-generation mobile phone launched on March 2015, 3PREMIUM 4G"The 2020th generation mobile phone launched on March 3, 25"docomo 5GAre being serviced.

Years reached for each 1 million contracts[19]

  • February 1997: 2 million contracts
  • February 1998: 8 million contracts
  • February 2000: 4 million contracts
  • February 2002: 1 million contracts
  • February 2005: 11 million contracts
  • February 2012: 3 million contracts
  • February 2016: 2 million contracts

Mail/i-mode service

1997年Start of December10 yen emailService (20082End) and1999年Starting in Februaryi-mode'[Note 2]ServiceBecame an explosive hit, increasing the market share.

From 1999 when i-mode spread2001年To the original i-modeEmail AddressWas "Mobile phone number@docomo.ne.jp".Malicious content providers use the email address "mobile phone number@docomo.ne.jp"ComputerAutomatically generated by our companySelfish siteTo advertisespamWas sent to i-mode in large quantities. Junk mail, which requires recipients to pay the mail reception fee, has become a major social problem. For this reason, since July 2001, the i-mode center has been able to detect mails sent in large numbers for i-mode, delete them, and prevent them from being received. IsrandomIt has been changed to a specification that begins with alphanumeric characters, and you can change the settings for spam mail countermeasures as well as addresses (mail accounts) in "Mail Settings" on i-mode.

Around the same time, J-Fon (currentlySoftbank) IsE-mailReceive free stronglyPRAlso, "In the received mailpacketWe introduced a system similar to NTT Docomo called "Charge fee"au(KDDI-Okinawa Cellular Phone2001)1Introduced a discount plan called "Comicomi Pack" that includes free communication.On the other hand, since August 2001, NTT DoCoMo has made i-mode users free of charge up to 8 packets per month as part of measures against spam.In addition, for W-CDMA (FOMA), which has a margin in the radio wave band, the unit price of one packet is slightly reduced and the same "Comicomi pack"Packet packWas introduced.2005年In November, when introducing the new unified rate plan,i-mode basic chargeHas been reduced and the monthly "400 packet free" has been abolished. In June 2008, the basic i-mode charge was revised to 6 yen per month, which is side by side with other companies.

Mova to FOMA migration

Launched in October 2001 as the world's first W-CDMA third-generation mobile phone service, "FOMA" was positioned as Docomo's main service with the launch of the 10i series incorporating the latest functions in 3. It was After that, by moving subscribers from "mova" to "FOMA",2004年April to 46By the end, the net increase in third-generation mobile phones was number one for 3 consecutive months, and in July 50, the number of FOMA contracts exceeded the number of mova contracts. November 1 mova service · March 2006Dual network serviceEnded the new contract and ended the PDC Mova mobile phone service on March 2012, 3.

Speeding up FOMA and introducing LTE

The data communication speed of FOMA was 2001 for both transmission and reception when it was first introduced in October 10. Kbps[20]Circuit switching and reception up to 384 Kbps Transmission up to 64 KbpsWireless packet communicationThe service was started at. In September 2003, the card-type terminal F9 was released, and communication at a maximum of 2402 Kbps became available for both transmission and reception.In voice terminals, transmission was still up to 384 Kbps. In August 64,FOMA high speedIs a higher standard of W-CDMA under the name ofHSDPAWas introduced, and a communication speed of up to 3.6 Mbps for reception and 384 Kbps for uplink transmission became available. In April 2008, the reception speed of FOMA High Speed ​​was improved to a maximum of 4 Mbps, and in June 7.2, the transmission was also improved to a maximum of 2009 Mbps with the introduction of the HSPA standard. From June 6, the FOMA high-speed reception speed has been increased to 5.7 Mbps (theoretical value: 2011 Mbps).

Depending on the communication area by actively expanding the FOMA area and FOMA high speed areaCustomer satisfactionImproved, and in March 2009, became the number one customer satisfaction in data communications[21]In July 2009, the number of net additions for mobile phones was the highest, and for the entire fiscal year 7, the number of net additions was the highest for the first time in four years.[22]..また2010年にはJDパワーAlso in XNUMX, JD PowerCustomer satisfaction surveyWon first place in the industry[23].

Currently, carriers around the world are beginning to introduce3.9rd generation mobile communication systemIs the standard of Long Term Evolution Regarding (LTE), DoCoMo will start the service on December 2010, 12 under a new service brand called "Xi (Crossy)", and will increase the number of base stations from Tokyo, Osaka, and Nagoya to government-designated cities and nationwide. There is. With the introduction of "Xi", communication speeds of up to 24 Mbps were available in some indoor areas and up to 75 Mbps in other areas at the time of introduction.In some areas, the maximum reception speed has improved from winter 37.5 to a maximum of 2012 Mbps, and from the summer of 112.5 to a maximum reception speed of 2013 Mbps.

Delayed entry into smartphones and iPhones

Started in October 2006Number portability (MNP)” struggled initially, and the number of contracts in November 2006 was the first net decrease for the company. After that, the number of net additions was smaller than that of au. Furthermore, it was inferior to Softbank in terms of net increase, and was far behind the two companies after the start of MNP. Also, for January 11E-MobileHowever, the net increase was inferior. DOCOMO has beenDoCoMo 2.0We aimed to acquire customers with the flag, but in August 2007, it was the second net decrease (-8) since the company was founded.

It was this further decrease in the net situation that causedfeature phoneChange toSmartphoneThe rise of2007年ToWWDCAnnounced inAppleSmartphone "iPhoneIs the appearance of. In particular, the iPhone has a multi-touch function with finger operation on the screen, in addition to a novel and intuitive operation system,Personal computer"Full browser function" and "電子 メ ー ルBy incorporating "functions", the market size of the iPhone has expanded. Announced next year in 2008iPhone 3GWith the entry of SoftBank, it became a catalyst for the spread of smartphones in Japan.

With the rise of smartphones, Docomo was chased to respond, and it was decided to change to the new Docomo brand from July 2008. In November 7, we revised the numbering system for mobile phones using numbers such as "2008X/11X" and arranged the model numbers,docomo PRIME series, docomo STYLE series, docomo SMART series, docomo PRO seriesIt has come to be classified into four series, such as the 4 series and the docomo PRO series from 2008.Windows Mobile, BlackBerry, Android(GoogleWe released smartphones such as mobile phones in quick succession.

From the summer of 2010, the smartphone will be separated from the PRO series category.Docomo smartphoneAnd in September 2010SmartphoneHowever, you can use i-mode mail address etc.sp mode"Has started service.

From the 2011 winter model terminal, the higher-ranking series of conventional mobile phones have been integrated into the "docomo STYLE series" to position smartphones as the mainstay, and the functions that were installed in conventional mobile phones such as One Seg and Osaifu-Keitai Added "docomo with series", and it will be positioned as a smartphone for advanced users that inherits the flow of the old "docomo smartphone".docomo NEXT seriesIt was divided into two series. Since the winter 2 model, voice communication terminals compatible with the "Xi" have been released.

However, until now the communication standard "CDMABecause of the problem, au, who could not enter the iPhone,iPhone 4sBy entering at the same time as the release of,iPhone 3GSDespite the fact that the following models were compatible with the FOMA communication standard, only DoCoMo was in a state of not handling the iPhone. This is because, from the time SoftBank entered the iPhone to the time Docomo entered the iPhone, the president was changed twice at Docomo, and the management policy had to be changed. Video acquisition and 2NOTTVThe start of the broadcast of DoCoMo and the arrogant attitude of Docomo at the time were also factors that made users unpopular.

As a result of that, after the summer of 2008,Number portabilityThe number of peopleCancellationThe decrease in the rate became remarkable, and it was the first excess transfer since the MNP system started in December of the same year.[24].. In January 2012, the number of "FOMA" contracts declined for the first time, and until the entry into the iPhone, the battle continued.

Based on these past failures and reflections, DOCOMO has reviewed its management strategy and newly added "2 Top strategyIs launched,ソ ニ ー エ リ ク ソ ンSamsung electronicsIn addition to investing more sales incentives on smartphones, from the 2013 summer model terminal,docomo with series"When"docomo NEXT seriesThere is no longer a classification based on the two series.

In the fall of 2013, following Softbank and au, iPhone entered the market in Japan (iPhone 5s / 5c) Was fulfilled.

Recent issues and new services

Compared to other companies,TerminalThere is an image that the price is high. At FOMAPake-hodai(For i-mode communicationPacket flat-rate systemRate plan)·Pake-hodai full(I-mode communicationFull browserPacket flat-rate charge plan for) (Pake-hodai doubleWith the start of the service in 200812/31New application acceptance will be ended with the introduction), expansion of usable area, enhancement of service and terminal variations, free call for family members 24 hours[Note 3] な どFamily discountStrengthening, unification of price plans FOMA and mova,Fami-wari MAX50Discount for one person 50Dispel the image of high fees due to the introduction ofValue course-Basic course) Introducing the terminalInstallment saleThe start of the[25], Introduction of HSDPA, which is a higher-speed packet communication standard,MOAPWe are taking countermeasures such as common platform development in software such as.

In 2004,i-mode FeliCaStarted. Nickname is "Mobile walletAnd based on this, "Mobile SuicaService is also provided. "Osaifu-Keitai" is also available to other companieslicenseHas been donated.

2006年8/31,HSDPAA service that uses a high-speed packet communication standard called "FOMA high speedStarted[26].. HSDPA3.5rd generation mobile communication systemCorresponds to the high-speed data communication reception standard (download). Using this,Chaku-Uta FullOr download music programs automatically at midnightMusic & Video channelIs also going. It is also the transmission standard (upload) for high-speed data communication of the same 3.5th generation mobile communication system.HSUPAThe system "FOMA High Speed" was also adopted, and the FOMA data communication service "FOMA High Speed" achieved faster transmission and reception. Furthermore,4rd generation mobile communication systemEquivalent toXi (Crossy),5rd generation mobile communication systemActively researching and developing new methods for

From fiscal 2008, we are also working on fields that we could not fully develop with the i-mode system, which is the business model that DOCOMO created.

From September 2010, ISP service for smartphonessp modeStarted service,One Seg, Has begun selling smartphones equipped with Osaifu-Keitai, andDai Nippon PrintingIn partnership with the company's smartphone e-book distribution site "2DfactoAre working to expand sales.

From September 2011, tablet devices will be added to the new category "Docomo tabletIt is being developed in. Also,2011年4/1The terminals sold after that areMinister of Internal Affairs and CommunicationsBased on the guidelines shown by, on all mobile devices except iPhone,SIM lockCan be released (SIM free) And[27].

Furthermore, in the summer of 2014, a high-quality sound call service "Xi"Volta(Voice over LTE) has started.

From February 2015, the "Deposit for Information on Account Transfer" will be charged and the postage will be 2 yen (consumption taxwithout),InvoicePayment now comes with a handling charge of 100 yen (excluding consumption tax) (e-billing continues). same year,タ カ ラ ト ミ ーJointly developed the communication toy omnibot "OHaNAs". Is applied to enable smooth conversation.[28][29][30].

2019年autumn,Rugby World Cup 2019According to5GStarted pre-service[31]Officially launched 2020G service on March 3, 25[32].

2020年9In the future6GFor research and development of mobile phonesNTT GroupWith the aim of increasing international competitiveness asHolding companyIsNippon Telegraph and Telephone(NTT) docomoWholly owned subsidiaryWas announced to be[33].

Also, like KDDI and SoftbankSub-brandThe company, which did not have, urged a major mobile operator to reduce its monthly charges.Yoshihide Suga CabinetIn December 2020, in response to the request ofDigital nativeA new plan that is completely separated from DoCoMo's existing plans, targeting generationsahamo"2021年3Has announced that it will be introduced in[34].

Line lending to other operators (MVNO business)

NTT Docomo's Xi/FOMA networkMVNOWe are engaged in MNO business that lends to businesses.

Satellite phone (Wide Star)

Wide star TheequatorialOf two aircraft in the sky 36,000 kmGeostationary satellite It is a public telephone service using (N-STAR). As of the end of May 2010, there were 5 contracts. Available area is Japanterritory-Waters-Economic zoneOut ofnoonAround(I.e.It covers all the places overlooking. mainlyMountain hut,ShipSuch as mobile phonesFixed-line phoneIt is used in places that are hard to reach. 20043Until,aircraftThe service was also provided inside.

Since the satellite orbit is far away, there is a delay in voice for about 0.2 seconds.Also, due to the high output required for communication, the minimum portable phone weighs 1.7 kg.There are three main types: portable type, vehicle type, and ship type.Vehicle type and ship type are equipped with an automatic tracking antenna so that the antenna always faces the geostationary satellite.Portable on its ownDirectivityA strong antenna is built in, and communication can be performed by pointing the antenna to the south.

It can be connected to an external antenna for indoor use. The assigned number is the same as the Japanese mobile phone number,Satellite phoneThe price system for incoming calls is the same as the price for terrestrial mobile phones, so it is a cheap satellite communication even in a global comparison. Above groundInfrastructureLow dependency on disastersconvergenceAs long as the "satellite uplink stations" distributed at the two locations below are not damaged at the same time, there will be no communication problems and the transition to the mobile backup station will be easy.

The ability became unprecedented damageGreat East Japan EarthquakeTherefore, even when the mobile phone base station on the ground became paralyzed and malfunctioned one after another due to an earthquake, tsunami, long-term power outage, etc., stable call and communication were verified, so not only disaster recovery agencies,Government officeAnd companies have also introduced it as a disaster countermeasure.

Since April 2010, we have started a new service called Wide Star II, which aims to increase the data communication speed and reduce packet charges.

International roaming, international call

NTT Docomo InternationalroamingAs a serviceWORLD WINGThe service is provided. This is a service that can be used in the service areas of overseas carriers that are affiliated with NTT Docomo while keeping their telephone numbers and email addresses. In addition to calls, i-mode (including i-mode mail), SMS, data communication, etc. can be used overseas.

It is available in 210 countries and most countries where Japanese travel. AlsoConexus Mobile AllianceWe are actively engaged in tie-ups with overseas communication carriers.Overseas Pake-hodaiProvides services such as fixed packet usage charges overseas. Since around 2007, the number of models equipped with WORLD WING has increased, but at international airports in Japan, docomo world counters are set up and international roaming terminals are rented.

For international calls (from Japan to overseas),WORLD CALLIt is available from all terminals of NTT Docomo. Although there is no description in the guidebook,Iridium satelliteYou can call your mobile phone.

Internet service provider and public wireless LAN business

At NTT Docomo,Internet service provider(ISP) We are developing business.

NTTEast Japan-West JapanAnd alliancesCable TVOf the stationOptical line wholesaleUsingCMFIs to do. Although it is affiliated with each ISP, docomo net can be selected.

mopera(Mopera) is an Internet connection for all communications such as NTT Docomo's mobile phones (mova, early FOMA), DoPa, and satellite phones, and the usage fee is basically free. Specializing in FOMA data compression andsecurityCan take measuresmopera UI-mode cannot be used with (Moperayu) on doCoMo smartphonesPush email,Flat-rate data planIn addition to connecting with etc., as an optionPublic wireless LAN,FLET'SLight and FLET'S ADSL can be used at low cost.

Long time agoDocomo AOL,Dream netI was also operating such an ISP, but it is only mopera and docomo net due to sale to other companies and integration into OCN.

Otherdocomo Wi-FiIt provides a public wireless LAN service called (docomo Wi-Fi).It used to be a service under the name of Mzone, but it was changed to the current name from March 2012, 3.We provide docomo Wi-Fi public wireless LAN service as the above-mentioned mopera U public wireless LAN optional service for line subscribers and sp-mode public wireless LAN optional service for smartphones, but NTT DoCoMo's line contract Even if you do not have the docomo Wi-Fi service, you can subscribe to it and use it (the usage fee is higher than the mopera U or sp-mode public wireless LAN option).The service area is the largest among the public wireless LANs offered for a fee in Japan, and is a convenience store. restaurant,station,空港, Complex building,Hotel,Parking areaEtc., can be used at 116,600 access points in 140,000 areas nationwide (as of November 2013, 11).

PHS business

In 1998NTT personalReceived the transfer of the PHS business and was developing the business. Rather than voice calls to avoid competition with NTT DoCoMo's mobile phone business as much as possibledata communicationOr location information terminal,PassageIt is said that it has been focusing on fields such as the private extension and home extension that use PHS. Around 2000Palm (Palm /SONY) AndZaurus (Zaurus /),Windows CESuch as a terminalMobile information terminal (PDA) is at its peak,Compact flashThe number of contracts increased, centering on type data communication terminals, and at the peak, the market share was the second largest with more than 200 million contracts. Multimedia service in the first half of 2, ahead of FOMA etc.M-Stage(Music distribution・ Video distribution) was also performed.However, the business itself continued to be in the red, and in 2003 as a survival measure.@FreeDTo sayFlat-rate data communicationStarted service (dormant method by circuit switching).Revenue picked up for a while, but competing DDI pocketsAir H"Around 2005, when the terminal and charge settings were enhanced without catching up with the service (packet switching method), the FOMA service became cheaper, and data communication and premises extension (PASSAGE DUPLE) The benefits of business continuity have diminished due to the fact that the business has begun to compete internally and it is difficult to expand the area and add new services due to aging equipment. Among the three major groups engaged in PHS businessAstelThe group began withdrawing from some regional companies in 2002 (all services as Astel ended in December 2006), and the trend of DoCoMo PHS was drawing attention. New subscriptions were suspended on April 12, 2005, and all services were terminated at 4:30 on January 2008, 1.DoCoMo PHS users have given preferential treatment to FOMA and mediation to WILLCOM, and the NTT Group as a whole has surrendered the market to other companies for the first time in the telecommunications sector unit.
After January 2008, 1, WILLCOM Group →Y MobileOnly PHS has become a surviving operator by developing nationwide services, but this is also2021年It was announced that the service will end in January.

Pager (quick cast)

It was the only company in Japan that provided pager services in prefectures nationwide. At the beginning of NTT Docomo's business, there were times when there were more pager subscribers than mobile phones. On July 1968, 7,Tokyo 23 WardThen the former Denden Public Corporation started,1978年280MHz bandFSK modulation200b/s NTT service started. Initially it was only a ring tone, but it has evolved into a vibration type and a card type. 1985Communication liberalizationByTele messageWith the entry of the group, the pager price has become cheaper, and in the 1990snextIt is a lineup as a series,数字-Katakana[36]-漢字It became highly functional so that the notation of could be done.

Since 1996, lower prices for mobile phones and PHS and similar to pagersShort mailWith the advent of models equipped with the function, the leakage of users who have been using it for private purposes will begin to occur.

From 1997computerから電子 メ ー ルnetwork(SMTP) ViamessageTo sendア プ リ ケ ー シ ョ ン,Horoscope-Eur-lex.europa.eu eur-lex.europa.eu-NEWSPush-type information distribution service (Taxi,vending machine OfElectronic bulletin boardReleased “” for children, which supports only fixed phrases (simple next) that encourages homecoming and contact (also applied to distribution). In 1999, the caller billed “” (02DO/call) The service of "telephone" was also started, and the TV commercial was also held up to 02DO service in after the appearance of i-mode (except "Kids Bell")Tokyo TelemessageBut equivalent services have been provided until recently. ).

From pager in April 2001Quick castThe service name was changed to. Bringing out the characteristics of a "reliable delivery" pager to the front, the new terminal "ScooperAlthough the series was released, the number of users of mobile phones continued to increase, and the number of users decreased significantly.6/30The new application acceptance was completed, and the business was completed only on March 2007, 3.

After NTT DoCoMo's withdrawal in 2007, it was a tele-messaging groupOkinawa Tele MessageTokyo Telemessage(Second generation: October 2, 2008YOZANThe pager business was continued, but Okinawa TV Message closed in April 2017 and Tokyo Telemessage closed in September 4.

Credit card business

Originally NTT DocomoDocomo cardThe credit card was provided in partnership with a credit card company.Mobile walletAs of December 2005, 12, as part of promoting credit card services in Japan and securing new revenueMitsui Sumitomo Bank CardIs a contactless credit brand invested iniDI started the service.

2006年5/26Service startDCMX・A d-point card integrated type that was issued on November 2015, 11d cardIs issued as a Docomo original iD-compatible credit card. You can also use shopping and cashing with VISA / Master brand credit cards.ETCCards have also been issued.

DCMX also has a simple service "DCMX mini" that does not issue a card and only supports shopping with iD of Osaifu-Keitai. Despite the restrictions of 1 yen for usage limit and non-addition of shopping points, millions of FOMA Osaifu-Keitai owners can apply for about 1 million subscribers, aiming to expand the base of Keitai credit There is.

DoCoMo's mobile payment is a service to settle payments for shopping with a d account together with mobile phone charges. d points are given and can be used. You can obtain a d account without a docomo line contract.

iD is not only NTT Docomo and Sumitomo Mitsui Card,AEON credit service,Credit SaisonA total of 68 companies, including (Saison and UC brands), are offering the product.1,000 million piecesHas exceeded. The number of members of "DCMX" is also 20098/24Has exceeded 1,000 million people.

iD available storesSeven-Eleven,Lawson,FamilyMart,Daily Yamazaki such asconvenience storeAndJapan McDonald's,Horns,ion,Bic camera,Yodobashi Camera,KojimaIt can be used at many other stores. AlsoJapan Coca-ColaIs a vending machineSeemo 2,TaxiBut there are some available.

The number of compatible payment terminals is42 unitsWhen,Suica,EdyIs over.世界But since July 2008Guam,In SeptemberPeople's Republic of ChinaShanghaiBut now available.

Business area

TaiziIs the prefecture where the regional branch office is located. The regional office was the headquarters of each regional company before the merger. After that, the affiliated branchesDocomo CSWas transferred to each regional company, and docomo itself has only regional branch offices. The number of contractors is as of the end of December 2019

Regional branch nameFormer regional company nameJurisdictionOld affiliated branchNumber of contractors
Hokkaido branchNTT Docomo HokkaidoHokkaidoHakodate, Tomakomai, Asahikawa, Obihiro, Kushiro, Kitami234.0 million
Tohoku BranchNTT Docomo TohokuAomori,Iwate,Miyagi,Akita,Yamagata,FukushimaAomori, Iwate, Akita, Yamagata, Fukushima399.7 million
Head officeNTT Docomo
Commonly known as Docomo Central
Ibaraki Prefecture,Tochigi,Gunma Prefecture,Saitama,Chiba,
Ibaraki, Tochigi, Gunma, Saitama, Chiba, Marunouchi,
Shinjuku, Shibuya, Tama, Kanagawa, Niigata, Nagano, Yamanashi
4500.4 million
Tokai branch officeNTT Docomo TokaiGifu,Shizuoka,Aichi,MieGifu, Shizuoka, Mie604.6 million
Hokuriku BranchNTT Docomo HokurikuToyama,Ishikawa,FukuiToyama, Fukui135.1 million
Kansai branchNTT DOCOMO KansaiShiga,Kyoto,Osaka,Hyogo,Nara,WakayamaShiga, Kyoto, Kobe, Himeji, Nara, Wakayama896.2 million
China branch officeNTT Docomo ChinaTottori,Shimane ,Okayama,Hiroshima,Yamaguchi Tottori, Shimane, Okayama, Fukuyama, Yamaguchi341.3 million
Shikoku branchNTT Docomo ShikokuTokushima,Kagawa,Ehime,KochiTokushima, Ehime, Kochi197.6 million
Kyushu branchNTT DoCoMo KyushuFukuoka,Saga,Nagasaki,Kumamoto,Oita,
Kitakyushu, Saga, Nagasaki, Kumamoto, Oita, Miyazaki, Kagoshima, Okinawa658.0 million

The buildings shown in the pictures below are divided into those that have an administrative department, including subsidiaries, and those that only have telephone exchange equipment.

Mobile phone terminal and model number rule

  • Docomo smartphone

Major mobile phone handset manufacturers

Car Phone Delivery Manufacturer

  • Denso -Digital car phoneESeries E408. It was produced until hands-free became mainstream at Mova, but it is sold only in stock. The E403 was on sale in the past when FOMA-compatible devices were not produced only by the mover.

Major telecommunications equipment manufacturers

Base station radio equipment
NEC, Fujitsu,Nokia,Ericsson, Mitsubishi Electric,Toshiba
NEC, Fujitsu
Transmission device
NEC, Fujitsu, Mitsubishi Electric,Oki Electric Industry,Hitachi, Ltd.
Antennas, antenna peripherals
Nippon Electric Works,Electric industry, Japan Radio,Shimada Rika Kogyo

Research facility (docomo R & D center)

KanagawaYokosuka OfYokosuka Research Park There is a research facility called "DOCOMO R & D Center" in (YRP).AroundNEC,Fujitsu,Ericsson,Net One Systems,Alpha SystemsSuch companies are also expanding, and joint research is also underway. Communication methods that have become popular since 2015LTE-Advanced(4rd generation mobile communication system) (At NTT DocomoPREMIUM 4GWith the brand name), and the next generation5rd generation mobile communication system NTT DoCoMo's research on (5G), development of new mobile phone terminals, development of communication platforms, etc.Mobile phone in JapanIt is a central base for mobile communication system development.

There is also an exhibition hall "WHARF" at the center, where you can see the research results of NTT Docomo and the visions for future development.[37].

CEATEC JAPANIn 2009Earphones operated by eyesAnd domesticThinned woodMade fromTOUCH WOODThe technology developed at this research facility was announced.

Image character

Dealers, etc.

There are approximately 2,393 stores (as of the end of March 2011) nationwide that sell NTT Docomo products and services, centered on Docomo Shops. OtherConsumer electronics storeIt is sold in stores and agencies.

Docomo shop

Docomo shop overview
A sales agent that specializes in mobile phones of NTT Docomo, Inc. The first store was the Docomo Shop Hachioji Store, which opened on October 1992, 10, and is basically located near railway stations in urban areas and along main roads in rural areas.Roadside storeWe are opening a store with this policy.Department store,General supermarket (GMS),Shopping mallThere is also a form of opening as a tenant such as.

The main contents of work are as follows.

  • Administrative procedures for new contracts, contract changes, cancellations, suspension of use, etc. of mobile phone terminals
  • Sale of accessories and options
  • Change price plans, abolish discount services, answering machine services, abolish network services such as i-mode and sp-mode
  • Consulting services such as mobile phone bill plan diagnosis
  • Mobile phone repair (some stores do not handle some)
  • NTT Finance billing charges (NTT Docomo, NTTto East MalaysiaWest-Com) Payment

Docomo shopDOCOPYThere is a mobile phone memory copy tool, called so-called, in the store, which sends notifications of mail address changes to new models, such as the transfer of data such as address books, photos, and mail, and changes in the mail address due to MNP. And so on. It is possible to change the data copy from other companies to Docomo (some models do not support it).

Corporate sales representative
In recent years, due to the expansion of sales channels, corporate sales representatives have become available at docomo Shops, and they also visit companies to provide consulting services. At such docomo Shops, "Satellite mobile phones (Wide Star)" and "BlackBerry 8707h","Business mopera"PASSAGE DUPLE, Handling products such as server products and repairing failures.
Docomo Smartphone Class / Mobile Phone Class
Docomo Shops sometimes offer free mobile phone classes. As for contents, for mobile phone beginnersEasy phoneUsing, you can operate a mobile phone, basic operations of a normal mobile phone, and convenient usage of i-mode. In recent years, along with the spread of smartphones, the name has been changed to "docomo smartphone classroom" and the content has been specialized for smartphones.

Agency system

Most stores have NTT DocomoagencyOperated by the contracted company. The main agents areConnexio(ITOCHU Corporationgroup),Tea gaia(Mitsui-Sumitomo Corporation-Mitsubishi CorporationInvested),MX Mobiling(Marubenigroup),Kanematsu Communications Inc.,TD mobile(OldToyotsu Cisco Systems.Toyota Tsusho-DensoTrading companies such as (subsidiaries), mobile phone makers, car repair shops,Honda Motor Co., Ltd.,Nissan MotorThere are distributors of automobile manufacturers. Manufacturer-based distributors have withdrawn from businesses that supply mobile phones to NTT Docomo,FujitsuMost of them are not existing due to merger and acquisition.

There are also locally rooted distributors in the region, such as local electronics stores and car repair shops. There are 1st agency, 2nd agency, 3rd agency, agency, etc. in the agency, but the docomo shop is basically done by the 1st agency or the 2nd agency.Yodobashi Camera,Bic camera such asConsumer electronics storeIs often a secondary agency.Edion(OldAiden) AndNojimaLike, there is a subsidiary that operates the primary agency business, and there are also mass retailers who have a direct contract with DoCoMo.

There used to be directly managed stores and branch windows, but now it is a function-sharing subsidiary.Docomo CSAnd are being consolidated and transferred to Docomo CS regional companies in each region.

Small store

Previously, there were smaller stores than docomo Shops. The business itself is basically the same as the docomo Shop, but there were some restrictions on the services that can be received by the store (there is no acceptance of broken terminals). The criteria differ for each district, such as around small stations, areas that do not compete with docomo shops, areas where the population is not very large, and tenants in commercial facilities. Similar to the docomo Shop, it is operated by an operating company that contracts with NTT Docomo, and the name is different for each region. Taking advantage of the integration and branding of eight NTT Docomo Group companies in July 2008, all of the small-scale stores have been converted to Docomo Shops by the end of 7. At the time of the merger, all stores in Hokkaido, Tohoku, and Hokuriku were converted to docomo Shops. In addition, the store design was renewed due to changes in the logo design at each store starting in the summer of 8. In addition, there are dealers all over the country that only handle telephone sales. There are stores that look the same as docomo shops, such as the NTT Docomo billboards, but except for some parts, they do not store telephone charges, accept repairs, or cancel services.

  • Name of each store (as of just before becoming one company nationwide)
    • Hokkaido area-docomo shop satellite
    • Tohoku area-docomo land
    • Kanto/Koshinetsu area-docomo spot
    • Tokai area-docomo site[Note 4]・Docomo Mall[Note 5]
    • Hokuriku District-Docomo Shop Satellite
    • Kansai area-docomo shop satellite
    • China Area-Docomo Pit
    • Shikoku area-docomo shop mini
    • Kyushu area-docomo spot

core system

As the main backbone system, the business management system "DREAMS", customer management system "ALADDIN",Fee system"MoBillsThere are three. These are allOracleThe database of is adopted. The server used is UNIXSolaris, And a Windows server,The latter is more used (ratio)[Source required].

Optional products

The following optional products can be brought to a docomo ShopRecyclingCan be disposed of.

  • Mobile phone terminal accessories
    • Battery pack (depending on each mobile phone terminal)
    • Rear cover (varies by each mobile phone terminal)
    • FOMA AC Adapter 01/02 (Fujitsu/Panasonic Mobile Communications)…02 only available for overseas use
    • AC adapter 03 (manufactured by Panasonic Mobile Communications)
    • AC Adapter 04 (Fujitsu/Panasonic Mobile Communications)…High output type compatible with smartphones that support 1.8A input. Unlike 03, the transformer and USB cable cannot be separated.
    • AC adapter 05 (Fujitsu →Fujitsu Connected TechnologiesMade)...High voltage charging (Quick Charge 2.0) compatible
    • Portable AC adapter 01 kuruko (Hosiden(Made in Japan)...The charging method is equivalent to 05, but the cable part can be wound up. Available in gray, blue and red.
    • AC adapter 06 (made by Hosiden)...Connect the connector of AC adapter 05 from micro USBUSB Type-CChanged to connector.
    • FOMA charging microUSB conversion adapter N01/T01/SC01/L01/SH01 (NEC Casio→NEC mobile, Toshiba→Fujitsu Toshiba→Fujitsu M, Samsung, LG, Sharp products)… Using “FOMA AC Adapter 01/02” An adapter used when charging the main unit. Basically, it is exclusive to each manufacturer, but for T01, from Fujitsu ToshibaT-01CSince its release, there are cases where it has been attached to Fujitsu terminals (F series and T-01D, T-02D).
    • micro USB conversion adapter B to C 01 (made by Hosiden)… An adapter that converts a micro USB connector into a USB Type-C connector.
    • FOMA dry battery adapter 01 (3 AA batteries are charged.Alkaline batteries,Nickel hydride battery,Nicad battery対 応 Sanyo ElectricMade)
    • FOMA Auxiliary charging adapter 01/03 (Lithium ion batteryRepeatable charging adapter with built-in battery
    • FOMA Auxiliary Charge Adapter 02 (By connecting the USB cable,microUSBSupports charging of smartphone with connectorLithium ion batteryRepeatable charging adapter with built-in battery
    • Pocket Charger 01/02/03 (a rechargeable charging adapter with built-in lithium-ion battery, made by Sanyo Electric Co., Ltd. with improved output and capacity for smartphones)... 02/03 is compatible with Qi charging.
    • Wireless Charger 01/02/03 (manufactured by Sanyo Electric Co., Ltd.)Qi) A charging stand with a coil common to compatible terminals. The wireless charger attached to the terminal is the same manufacturer as the terminal (if it is for NEC Casio terminals, it will be like "Wireless Charger N01"), but it will be treated as a free trial product and not for sale, so it is set separately as an option There is.
    • Desktop holder (no HT series, which varies depending on each mobile phone)
    • Carrying case L01/S01 (Sony Ericsson Mobile CommunicationsMade by each mobile phone terminal)
    • Carrying case 02 (Depending on each mobile phone terminal manufactured by Panasonic Mobile Communications)
    • Flat stereo earphone set P01 (manufactured by Panasonic Mobile Communications)
    • Flat switch earphone set P02 (manufactured by Panasonic Mobile Communications)
    • Stereo earphone microphone 01 (manufactured by Panasonic Mobile Communications)
    • Stereo earphone microphone 02 (manufactured by Panasonic Mobile Communications)
    • Earphone microphone 01 (manufactured by Panasonic Mobile Communications)
    • Earphone conversion adapter 01 (manufactured by Panasonic Mobile Communications)
    • External connection earphone conversion adapter 01 (manufactured by Fujitsu)
    • FOMA USB cable with charge function 01(MITSUMI ELECTRICMade)
    • FOMA USB cable with charge function 02(Mitsumi Electric)
    • Bluetooth wireless stereo earphone set P01/P02 (manufactured by Panasonic)
    • Bluetooth wireless earphone set P03 (Made by Panasonic)
    • Bone conduction receiver microphone 01 sound leaf(NEC TOKINMade)
    • Bone conduction receiver microphone 02 Sound Leaf Plus(NEC TOKIN product)
    • Bluetooth headset F01 (Fujitsu call only)
      • Bluetooth headset AC adapter F01 (Made by Fujitsu)
  • In-vehicle option
    • Car handsfree kit 01
    • FOMA in-car hands-free connection cable 01
    • mova in-vehicle hands-free connection cable 01
    • Car holder 01
    • Automotive FOMA connection adapter 01
    • Automotive FOMA connection adapter power cable (Cigarette lighter01)
    • FOMA DC adapter 01 (NECMade)
    • FOMA DC Adapter 02 (Panasonic Mobile Communications)
    • DC adapter 03 ((Japan) import source)…850mAh output
    • DC adapter 04 (PHIHONG TECHNOLOGY (Fuhiro Kagaku Japan) import source Excel) 1.2Ah output
  • Indoor auxiliary antenna
    • FOMA indoor auxiliary antenna (stand type) (manufactured)
    • FOMA indoor auxiliary antenna (NEC Corporation)
    • mova (800 MHz) Indoor auxiliary antenna (manufactured by Nippon Denki Kogyo)
  • Other options
    • Osaifu-Keitai Jacket 01 (manufactured by Panasonic Mobile Communications)...iPhoneAnd use as a set


Anime works

UHF anime×KADOKAWAInvolved in the production of the work. Participating in animation production at a mobile phone company is unusual.

From October 2010 to October 10, I participated in the production of TV TOKYO × KADOKAWA works.

Kadokawa Shoten Co., Ltd. is a joint venture company that conducts animation content distribution business for smartphones started in July 2012, content management business related to animation, investment in new animation works, etc.Docomo Anime StoreWas established in late May of the same year[38].


Production CommitteeJoin as


Related services

Equipment / communication services

Content service

Price / discount service

Major subsidiaries/affiliates

As a rule, as of July 2014, 7

Function-sharing subsidiary

Subsidiaries established by region to efficiently and flexibly operate the business that forms the basis of DoCoMo's services


  • (stock)





  • (stock)



  • (stock)


  • (stock)

Kyushu, Okinawa

  • (stock)

Domestic subsidiary

Domestic affiliate

Foreign subsidiary


Overseas affiliates

Dissolved, transferred, merged subsidiary/affiliated company

Problems, scandals, etc.

Problems in base station installation / construction

All of the base stations were removed or relocated after the problem was discovered.

Advertising issues

  • 2006年11/2,Softbank mobileSo-called "0 yen"Ads"about"Freebie display methodI suspect a violation."Fair Trade CommissionSubmitted the tax return to the same year12/12The Fair Trade Commission cautioned that "the label was displayed that could violate the provisions of Article 4, Paragraph 1, Item 2 of the Premium Labeling Act" (KDDIAlso received a caution, and SoftBank Mobile received a "warning" that was heavier than the caution). In addition, the Fair Trade Commission is a corporate body to which these three companies belong.Telecommunications Carriers AssociationAgainst complex pricingPeoplefromComplaintI pointed out the large number.
  • 2007年11/16Advertising againFlyerI received a warning from the Japan Fair Trade Commission with KDDI.The reason for the disposition is the same as the reason for caution received from the Fair Trade Commission in November of the previous year (problem regarding the notation of advertisements), and it is unusual to receive administrative sanctions twice in a year. It became.

Violation of identity verification of sales agents

Communication failure

  • 2010年1/1515:36,TokyoChiyoda Wardas well as the TaitoIn some of the, there was a failure that prevented FOMA voice and packet communication. The estimated number of users in the target area is approximately 6. Recovered at 3:2, about 17 hours later[45].. On January 3, three days after that, there was a failure in the use of packet communication in and around the western part of Tokyo. became[46].
  • 2010年2/5, From around 6 amKanto/KoshinetsuIn some areas of, an abnormality occurred during a voice call that was interrupted for 2-3 seconds.The estimated number of users in the target area is about 800 million.Recovered around 8:48 pm[47][48].
  • 2010年9/10, Due to a breakdown of communication equipment, from around 6 amAichiIt has become difficult to use FOMA communication calls in some areas of Japan.About 7 hours later, the voice call was restored at 13:3 on the same day, and then the packet communication was restored at 13:50.[49].. Initially announced 93,000 users in affected areas[50].
  • 2011年6/68:27 am,Kanto/KoshinetsuA user who has a contract in the area has a problem that he / she cannot make / receive calls or packet communication due to a failure of communication equipment.AlsoNumber portabilityA maximum of 172 million people were affected by the phenomenon that users who moved from NTT Docomo to other companies under the system could not make or receive calls. Announced that it was restored about 13 hours later at 9:36 pm[51].
  • 2012年1/258:26 am,TokyoIn some areas of Japan, FOMA (voice / packet communication) was not available, affecting up to 252 million people.Restored at 1:8 pm on the day.The cause is said to be that there was a call / communication that exceeded the processing capacity of the packet switch.[52][53].. On January 1th, regarding repeated communication failures within 26,Ministry of Internal Affairs and CommunicationsbyAdministrative guidanceWas made[54][55][56].

Defective sp mode

  • 2011年12/2012:22,SmartphoneService ofsp modeAte-mail addressIs replaced with the address of another person,電子 メ ー ルFailure such as is sent[57].12/21, Docomo announced that it will affect more than 10 lines nationwide, suspending various settings such as sp mode settings and phone book backup,12/26Service resumed[58][59].
  • 2012年1/1At night, problems such as transmission/reception of sp-mode mail and non-delivery messages such as undelivered mail did not arrive, affecting about 20 lines.[60][61].. Line congestion in the New Year's greeting email is not the cause,1/2It was restored to dawn.
  • 2012年7/25From 1:41 am to 9:14 am, there was a problem that you could browse and change the setting information including the e-mail address of others in "sp mode setting information".[62][63].serverThere is a setting error on the above, and a 4-digit network required to change the setting.PINHowever, if it matches with another person, the "sp mode setting information" of another person can be confirmed and changed. As a result, sp configuration information including other people's e-mail addresses and passwords could be changed. During trouble, about 400 users changed their addresses and about 600 changed their passwords. Access to the setting site that caused the problem was stopped at 9:14, and the serverApplication softwareAfter correcting the error in the data settings due to the update, the setting site was restored at 13:37.
  • 2012年11/14From around 6 pm, the phenomenon that sp-mode mail of FOMA and xi and sp-mode service could not be used occurred.[64].. It was restored by 8 pm on that day.

Incorrect description in the instruction manual

  • 2010年3/4, 82 modelsInstruction ManualsToClerical errorEmergency call from a mobile phone terminal that does not have a UIM or PIN1 unlocked110-119The description that enables you toEasy Phone IV"Or"P702iD""T-01AAlthough it was mentioned in the instruction manual for some models, it became clear that it could not actually be sent. NTT DoCoMo corrected the description of the relevant part for 82 models and replaced the instruction manual published on the website.[65].

Insufficient support

  • 2013年January,crimeIt turned out that about 98% of rental mobile phones abused by NTT DoCoMo.It was also found that NTT DoCoMo does not set an upper limit while other companies limit the number of lines according to the business scale of the contractor.[66].

Information leakage

  • 2014年9/9, Management information (corporate name, business mobile phone number, business mobile phone user name, address, etc.) including personal home addresses for 1 corporate customersInformation leakageAnnounced that there was a suspicion that[67][68][69].. It has no advanced access restrictions, can be touched by 299 employees, and manages contract information and usage history.Computer systemIt was a different system.

Improper response to customers of sales agents

  • 2020年1/6,Kanematsu Communications Inc.It turned out that he was giving an inappropriate memo such as "Fucking guy" to the customers who visited the Docomo Shop Ichikawa Inter store operated by.In response to this matter, NTT DoCoMo and Kanematsu Communications1/10, An apology was posted on each company's official website, and the store was forced to close for several months.[70][71][72].

Docomo account fraudulent withdrawal case

  • 2020年Early September,Docomo accountFor electronic payment services such asthird partyUnauthorized byBank accountsWas registered and it was discovered that the account balance had been withdrawn.As of the 22nd, a total of 175 cases, about 3,152 million yendamageHas been confirmed[73]..The company posted an apology on its official website, called attention to it, and set up a contact point for inquiries regarding this matter.[74][75][76].


[How to use footnotes]

注 釈

  1. ^ The alphabet was not used in the trade name until then, because the use of the alphabet in the trade name was not permitted in Japan until the Commercial Registration Rule was revised in 2002.
  2. ^ PresentBandaiDirector'sMatsunaga MariCurrentDwangoDirector'sTsuyoshi NatsunoAs a development member
  3. ^ Requires "Fami-wari MAX50" or "(new) Ichinen Discount + Family Discount for 10 years or more"
  4. ^ A shop with a blue underlined sign. We only made new contracts and model changes.
  5. ^ A shop with an underlined green sign. Performed tasks other than receiving repairs and cancellation.


  1. ^ "28rd Annual Securities Report (PDF)”. NTT DoCoMo (September 2019, 6). 2020/4/1Browse.
  2. ^ "Annual Report 2009”. NTT DoCoMo. P. 118. 2012/2/15Browse.
  3. ^ NTT DOCOMO Inc. Articles of Incorporation
  4. ^ Notice regarding change of trade name
  5. ^ Notice of termination of PHS service
  6. ^ Notice of termination of "mova service" and "DoPa service"
  7. ^ "NTT DoCoMo ends PHS service”. CNET Japan (January 2008, 1). 2020/10/24Browse.
  8. ^ Docomo and Google partner-Promote i-mode support for various services ITmedia +D Mobile January 2008, 1
  9. ^ Compatible with YouTube and Docomo 904i/905i series ITmedia +D Mobile January 2008, 1
  10. ^ Notice Regarding Completion of Delisting of Our Shares on the London Stock Exchange
  11. ^ ""Eggs Project" to support the activities of new artists from 3 companies such as Tawareko”. Musicman. 2020/10/1Browse.
  12. ^ Completion of listing of American Depositary Receipts on the New York Stock Exchange
  13. ^ "Weeding robot" to help vegetable farmers
  14. ^ Impress Corporation (September 2019, 12). “NTT Docomo to merge Docomo Healthcare”(Japanese). Mobile watch. 2019/12/20Browse.
  15. ^ a b Nippon Telegraph and Telephone Corporation. “About the result of the tender offer for NTT DoCoMo shares, etc. (Securities code 9437)”(Japanese). NTT official website. 2020/11/17Browse.
  16. ^ NIKKEI.COM (December 2020, 12). “DoCoMo new plan "ahamo" announced The aim is 20s”(Japanese). Nikkei electronic version. 2020/12/3Browse.
  17. ^ NTT DoCoMo, Inc. (November 2020, 11). “Notice regarding Nippon Telegraph and Telephone Corporation's decision to request the sale of shares of the Company, approval of the request for the sale of shares, and delisting of the Company's shares”(Japanese). NTT DoCoMo. 2020/11/27Browse.
  18. ^ Number of contracts by telecommunications carrier's association
  19. ^ (Notice) Docomo's mobile phone subscriptions exceed 7,000 million
  20. ^ "bps" (b is lowercase) isBit per secondAndBytes per second Note that it is not (Bps).
  21. ^ Nikkei BP Data Communication Card Customer Satisfaction NTT Docomo ranked No. 15 in 8 out of 1 categories
  22. ^ Annual net increase in fiscal 2009
  23. ^ JD Power customer satisfaction survey, Docomo ranked first overall
  24. ^ December 2008 ・Number of mobile phone and PHS contracts exceeded for the first time for Docomo
  25. ^ Report on clarification of device price and communication charge classification by Ministry of Internal Affairs and Communications Mobile Business Study Group Received
  26. ^ Press release material HSDPA compatible prototype developed
  27. ^ NTT DOCOMO: To unlock "SIM lock" from April next year
  28. ^ Joint development of Takara Tomy's new product "OHaNAS"
  29. ^ A robot that understands
  30. ^ Takara Tomy announces conversational robot OHaNAS. Realize natural conversations with DoCoMo's cloud
  31. ^ Providing 2019G pre-service at "Rugby World Cup 5TM Japan Tournament"-Realizing new watching styles such as multi-angle viewing and high-presence live viewing as part of 5G pre-service NTT DoCoMo Press Release July 2019, 7
  32. ^ Started providing "5G" service NTT DoCoMo Press Release March 2020, 3
  33. ^ Notice regarding the statement of opinion and application recommendation regarding the tender offer for the Company's shares, etc. by Nippon Telegraph and Telephone Corporation, the parent company of the Company NTT DoCoMo Press Release July 2020, 9
  34. ^ Announced new rate plan "ahamo" NTT DoCoMo Press Release July 2020, 12
  35. ^ MVNO entry trends (2009/8/1) (Ministry of Internal Affairs and Communications, 2009)
  36. ^ So-calledHalf-width katakana.
  37. ^ https://www.nttdocomo.co.jp/corporate/technology/rd/rdcenter/ Docomo R & D Center
  38. ^ NTT Docomo and Kadokawa Shoten agree to establish a joint venture, "Docomo Anime Store," which will carry out animation distribution business for smartphones.
  39. ^ Docomo Kansai destroys old tombs in Ikeda city, Osaka
  40. ^ Unauthorized base station in Docomo Kansai, Kyoto Arashiyama
  41. ^ Unauthorized docomo base station to be removed in national park
  42. ^ Apology for base station installation in Unzen Amakusa National Park
  43. ^ Corrective orders, etc. relating to violation of the Mobile Phone Improper Use Prevention Act by Asuka Planning
  44. ^ Docomo agency does not confirm the identity to the self-proclaimed member ... 400 mobile phones "overflow" to clarify the actual situation of police authorities
  45. ^ Docomo, FOMA communication obstacle in some areas in Tokyo
  46. ^ Docomo, communication failure in the metropolitan area on the afternoon of the 18th
  47. ^ Failure of FOMA voice call in some areas of Docomo and Kanto/Koshinetsu
  48. ^ FOMA audio may be interrupted in some areas of Tokyo, Kanagawa, Chiba, Saitama, Ibaraki, Tochigi, Gunma, Yamanashi, Nagano, Niigata
  49. ^ Regarding the situation where it is difficult to use FOMA (voice/packet) in some areas of Aichi Prefecture
  50. ^ FOMA communication failure in Aichi Prefecture, making it difficult to connect in some areas
  51. ^ Docomo's Kanto / Koshinetsu contractor communication failure, affecting 172 million people
  52. ^ About the situation that it is difficult to use the voice and packet communication service of FOMA on January 2012, 1 DoCoMo Official January 2012, 1
  53. ^ Regarding the difficulty of using the FOMA voice/packet communication service on January 2012, 1(PDF)
  54. ^ "Instruction on accident prevention, protection of communication secrets, and proper management of personal information for NTT DoCoMo, Inc." (Press release), Ministry of Internal Affairs and Communications, (March 2012, 1), https://www.soumu.go.jp/menu_news/s-news/01kiban05_02000017.html 2015/6/7Browse. 
  55. ^ Ministry of Internal Affairs and Communications gives guidance to docomo Keitai watch January 2012, 1
  56. ^ Ministry of Internal Affairs and Communications teaches NTT Docomo in a series of communication accidents--even violation of Dentsu law CNET JAPAN January 2012, 1
  57. ^ Internet connection for smartphones is defective Docomo's other person's address display(Sankei Shimbun, December 2011, 12)
  58. ^ DoCoMo may damage 10 people due to connection service failure, one cause of congestion peculiar to smartphones(Sankei Shimbun, December 2011, 12)
  59. ^ Docomo "sp mode" failure, affecting 10 lines(RBBTODAY, December 2011, 12)
  60. ^ Docomo sp mode communication failure again, mail is difficult to use nationwide(Engadget, January 2012, 1)
  61. ^ Sp-mode mail, communication failure where undelivered messages do not reach approximately 20 people(IT media, January 2012, 1)
  62. ^ There is also a case where the trouble message is changed to another person on the user setting site of "sp mode".(Plus D Mobile, July 2012, 7)
  63. ^ Trouble with NTT Docomo's sp mode, you can browse and change settings such as other people's email(Nikkei Computer, July 2012, 7)
  64. ^ Situations where it is difficult to use sp-mode services such as sp-mode mail in the whole country: NTT docomo Notice November 2012, 11
  65. ^ Docomo corrects the instruction manuals for 82 models--Incorrect description of emergency call
  66. ^ “98% docomo line = rental mobile phone for criminal exploitation — unlimited number of contract factors.”(July 2013, 5). https://jp.wsj.com/articles/JJ10034012788549964606316658502051333307254 2013/5/9Browse. 
  67. ^ Apology for leakage of management information related to maintenance and operation of corporate customers
  68. ^ Information from DOCOMO
  69. ^ About 1 personal information leaked from Docomo Whether internal personnel are involved
  70. ^ Docomo apologizes for inappropriate response to user "Thorough cause investigation": Livedoor NEWS Jan 2020, 1 10:19
  71. ^ Apology for inappropriate customer response in some reports: Notice from DOCOMO January 2020, 1
  72. ^ Apology and report regarding inappropriate customer service at our stores: Kanematsu Communications Co., Ltd. Notice January 2020, 01
  73. ^ DoCoMo fraud, damage XNUMX million yen XNUMX cases - Tokyo Newspaper
  74. ^ Notice from DoCoMo: About setting up an inquiry window for unauthorized use using a DoCoMo account | Notice | NTT DoCoMo
  75. ^ Notice from DoCoMo: [Caution] Please be careful about fraudulent calls disguised as compensation for unauthorized use of DoCoMo accounts | Notice | NTT DoCoMo
  76. ^ Press Release: Strengthening Measures for New Bank Account Registration in DoCoMo Account | Notice | NTT DoCoMo

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