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SUPPORT
New to T-Mobile? Switching is easy Set up your device Using the app Sprint Migration Center All get started topics Ways to pay your bill All about your bill Line permissions Your T-Mobile ID Your PIN/Passcode All account resources topics T-Mobile network In-flight texting and Wi-Fi Wi-Fi Calling International roaming Mobile Without Borders All network & roaming topics Find the right plan Netflix on Us HotSpot plans Voicemail Use Mobile HotSpot All plans support topics Tutorials Troubleshooting Unlock your device Protect your device SIM card & eSIM All device assistance topics Get T-Mobile for Business Billing and payments Manage your account Orders and shopping Account Hub registration All business support topics

Having trouble activating the eSIM on your Samsung device? Let's get it working.

On this page:

Phone with Dual SIM

Get help if you can't activate your eSIM. For help with these steps, pick your device on the Device tutorials page and use the search bar.

  1. If the device wasn't purchased from T-Mobile, make sure that it's unlocked.
  2. Make sure you're connected to a Wi-Fi network and the internet works.
  3. Update the device software to the latest version.
  4. Restart your device and try again.
  5. Select the specific errors that you're getting and follow any steps.
 

Error 506: No internet connection

 
  • The device is unable to connect to the internet over Wi-Fi.
  • Make sure you're connected to Wi-Fi and can access the internet, then try again.
 

Error 507: Permission needed

 
  • This means you're not authorized to make changes on the account.
  • Have the primary account holder log in using their T-Mobile ID when activating.
 

Error 511: Assistance required to transfer eSIM

 

Self-serve path to transfer eSIM is unavailable. Contact us to set up the eSIM on your device.

 

The number you entered isn’t on your account

 
  • The number you entered isn't associated to the T-Mobile ID you used to log in.
  • Log in with the T-Mobile ID associated with the number you want to activate.

Watch with cellular

Get help if you can't activate your eSIM on your watch. For help with these steps, pick your device on the Device tutorials page.

  1. Make sure the phone you're setting up the watch with is on the same account.
  2. If you're switching from one Watch to another, make sure you've changed your SIM to the EID of your new device.
  3. Make sure the Line Settings in your account profile have the correct E911 and usage addresses.
  4. Pair the Watch via Bluetooth only and make sure it's updated to the latest software.
  5. Restart your phone and watch, then try again.
  6. Select the specific errors that you're getting and follow any steps. 
 

Error 905: Looks like this is a Prepaid account

 
  • You're attempting to pair the watch with a prepaid line of service, which does not work.
  • Contact us to find out what options we have available.
 

Error 909: Give us a call to finish setting up your watch

 

The line doesn't have the right plan for the Watch. Change it online or contact us so we can update it.

 

Error 950-971: This watch is active on another account

 
  • The watch is already set up with an existing line of service.
  • Remove the existing plan and attempt to activate again.

If you're still experiencing the problem, contact us. It's best if you can call from a different phone than the one you are having issues with.

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