Customer Support

Check the support information before purchasing an iPhone.

Guide to Procedures

Check how to carry out procedures and make applications before purchasing.

Switching From Another Carrier (MNP)

Information on the procedures for using Mobile Number Portability (MNP) and applying for a new subscription.

See details

Changing Your Mobile Phone Model

Information on the procedures and items you will need to change your mobile phone model.

See details

New Subscription

Information on the procedures and items you will need to apply for a new subscription with DOCOMO.

See details

Operation and Setting Procedures

Linked pages are in Japanese only.

Maruwakari Book

Basic operating procedures such as acquiring the necessary Apple ID and setting up docomo mail are also explained in the Maruwakari Book.
Please see the Maruwakari Book for details on how to update OS etc.

Warranty Services for iPhone

AppleCare+ for iPhone

Image of AppleCare+

Protect your iPhone.

Mobile Device Protection Service

Image of Mobile Device Protection Service

If you apply in advance, you will be protected in the event of trouble.

Support Inquiries

docomo Information Center

Phone number: 151 from DOCOMO mobile phones (in Japanese only) and 0120-005-250 (in English, Portuguese, Chinese, and Spanish) or 0120-800-000 (in Japanese only) from landline phones
iPhone support hours: 9 a.m. to 7 p.m. on weekdays and 9 a.m. to 5 p.m. on Saturdays, Sundays, and national holidays

Repair Acceptance

For details on repair acceptance, contact an Apple authorized service provider or Apple Store.
Repair requests are also accepted in docomo Shop Marunouchi and docomo smartphone lounge NAGOYA.

Apple Support


  • Apple, the Apple Logo, Apple Watch, iPad, iPhone are trademarks of Apple Inc., registered in the U.S. and other countries. The iPhone trademark is used under license from AiPhone Co., Ltd. App Store, AppleCare, iCloud are service marks of Apple Inc., registered in the U.S. and other countries. TM and © 2019 Apple Inc. All rights reserved.
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