Learn how to register for a T-Mobile ID to access My T-Mobile.
With My T-Mobile, you can:
There is a 72-hour waiting period before attempting to register after any of the following events:
Use these steps if you want to use a T-Mobile ID for multiple accounts or lines. You can also use these steps if you want to link a new number with an existing T-Mobile ID.
To link a T-Mobile ID for multiple accounts or lines:
My T-Mobile password troubleshooting
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