If Your Phone Is Lost or StolenInformation about suspending and resuming your service if your phone is lost or stolen and features that prevent third parties from accessing your phone. |
Troubleshooting and RepairsInformation about troubleshooting your phone to check for malfunctions, and what you need to do to get it fixed. |
If You Forget Your PIN or PasswordCheck the PINs and passwords you need to access different services and functions. |
Problems with Spam Mail / Nuisance Phone CallsDetailed information about dealing with spam email and nuisance phone calls. |
Learning How to Use a Product or Service
Instructions on how to use DOCOMO products and services.
If you do not know how to use a product
- Detailed Operations: User's Manual Download
Reading Your Bill and Itemized Billing Statement and Other Notices
Information about how to read your bill and monthly billing details, itemized statement, and other notices related to charges that are delivered to you.
Using your mobile phone or smartphone to check on status information in the event of a disaster
DOCOMO provides Disaster Message Board Service and Disaster Voice Messaging Service (both Japanese and English versions) to check on the safety of relatives and friends by mobile phone in the event of a disaster.
