T-Mobile Activating Your Phone

Existing T-Mobile Customers

Activation instructions for upgrades (contract extensions):

Charging your new phone

Follow the instructions in the owner's manual to charge your new phone's battery. Do not place a smart card into your new phone yet. You only need to insert the new battery into your new phone at this point.

Transferring your smart card

  1. NOTE: You will need both your old phone and new phone for this step.
  2. Make sure your old phone is turned off. Then remove the T-Mobile smart card (otherwise known as a SIM card) from your old phone.
  3. Make sure your new phone is turned off. Then install the T-Mobile smart card from your old phone in your new phone.
  4. To ensure proper activation of your phone, you must use the smart card from your old phone.

Activating your new phone

  • Click the "View order" button and follow the instructions at the top of your order details to activate your new phone.
  • Completing activation

    1. Turn on your new phone.
    2. You will be able to make and receive calls immediately, but successful activation of the service options you selected (like Unlimited Email and Web) typically takes 2-48 hours.
    3. If you made any changes to your wireless service plan, those changes will not go into effect until your next billing cycle. For questions related to your billing cycle, please contact T-Mobile customer service directly at 1-800-937-8997.

    New T-Mobile Customers

    Activation instructions for new phone number (no phone number transfer)

    Charging your new phone

    Follow the instructions in the owner's manual to charge your new phone's battery.

    Installing your smart card

    Make sure your phone is turned off, and install the T-Mobile smart card provided with your order. The T-Mobile smart card is just under an inch long and half an inch wide and is packaged in a piece of plastic the size of a credit card. Refer to the owner's manual if you need more help completing this step. The owner's manual will sometimes refer to the smart card as a SIM card, which stands for Subscriber Identity Module.

    Completing activation

    1. Turn on your new phone. Successful activation should occur immediately.

    2. If you need more help completing this step. The owner's manual will sometimes refer to the smart card as a SIM card, which stands for Subscriber Identity Module. Completing activation

    3. Turn on your new phone.

    4. Call T-Mobile customer service at 1-800-937-8997 to complete your phone number transfer. Please note that you may be asked to supply personal information such as your billing address, account number, or SSN.

    5. While successful activation should occur immediately, your phone number transfer may take up to 24 hours to complete for wireless transfers and 5-7 days for land line transfers.
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