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Activate Your Device, T-Mobile SIM, or eSIM

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Add a line & bring your own device
Add a new line, keep your current device, and enjoy the following on the T-Mobile network:
  • No annual service contracts
  • America’s largest and fastest 5G network
  • Keep your number or get a new one
Have a SIM, a plan picked out, and ready to join the network? Select Finish Setup.
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Activate a new device on current line

If you recently upgraded to a new device and are ready to start using the device on the T-Mobile network, here’s what to expect:

  • Gain access to the T-Mobile network
  • Get your upgraded device activated on your existing line
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Activate your T-Mobile SIM

If you received a new SIM card or you’re ready to install an eSIM, here’s what to expect:

  • Quickly get on the T-Mobile network
  • View instructions on how to insert SIM card into your device
  • View instructions on how to download and eSIM


Change Credit
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For security reasons, your session will time out in 2 minutes unless you choose to continue.


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