Support Information by Purposes
In Times of Trouble
Guide to Procedures
- Changing Subscription Information
- New Subscription
- Procedures for Switching from Another Carrier to DOCOMO with Mobile Number Portability (MNP)
- Changing Your Mobile Phone Model at docomo Shop or Retailer
- Unlocking a SIM Lock and Using Another Carrier's Mobile Phone or Other Device
When Wish to Know About Charges
Product Support Information
For docomo Smartphone, docomo Tablet, etc.
View the product update information, operation guides, and user's manuals for the product you are using.
Inquiries by Phone
Open all year round
From landline phones etc.
Mobile phone / PHS OK
Available languages: English, Portuguese, Chinese, and Spanish.
9 a.m. to 8 p.m.
- May not be accessible form some IP phones.
- Apple, the Apple Logo, AirPlay, AirPods, Apple Music, Apple Pay, Apple Pencil, Apple TV, Apple Watch, Face ID, FaceTime, iBooks, iPad, iPhone, iTunes, Lightning, Magic Keyboard, MagSafe, Siri, Touch ID, TrueDepth, True Tone 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, Apple Arcade, AppleCare, iCloud are service marks of Apple Inc., registered in the U.S. and other countries. TM and © 2021 Apple Inc. All rights reserved.