Problems and Troubleshooting
If Your Phone Is Lost or Stolen
Information 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 Repairs
Information about troubleshooting your phone to check for malfunctions, and what you need to do to get it fixed.
Mobile Phone Troubleshooting
In the event of a problem, you can try troubleshooting the problem yourself. Answer questions to find a resolution to the problem.
Smartphone Diagnostics App
You can use this app to diagnose whether there is a problem with the performance of your smartphone.
Mobile Device Protection & Delivery Service/Mobile Device Protection Service
This service covers you against all kinds of emergencies including damage by water, loss, and complete failure. In the event that you experience trouble, we will deliver a mobile phone of the same model and color (refurbished product including a new battery pack) to you within a day or two.
Battery Pack Anshin Support
This service is for providing a battery pack or portable charger in exchange for docomo Points to a user who has used the same FOMA or Xi "crossy" handset for more than one year.
If You Forget Your PIN or Password
Check the PINs and passwords you need to access different services and functions.
Problems with Spam Mail / Nuisance Phone Calls
Detailed information about dealing with spam email and nuisance phone calls.
Learning How to Use a Product
Instructions on how to use DOCOMO products.
If you do not know how to use a product
- Detailed Operations: User's Manual Download
When in Trouble with Your Smartphone or Tablet
Information on the setting procedures and causes of trouble related to using smartphone and tablet products.
If the pin for ejecting the SIM card is lost
A commercially available paper clip can be used instead.
Anshin Remote Support
This service allows you to receive support on various smartphone related problems from a technical operator.
When in Trouble with Data Communications
Information on the setting procedures and causes of trouble related to using data communications and peripheral device products.
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.