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How do I bring my own phone to T-Mobile from another carrier?

Switching to T-Mobile BYO is relatively straightforward, as long as you have a compatible phone.

When switching carriers to T-Mobile, your device needs to be unlocked and it needs to have previously run off the GSM software technology that is compatible with T-Mobile.

Make sure your device is unlocked and you owe no money on your phone - if you aren't sure then you will need to contact your current carrier to confirm.

How to guide: BYO with T-Mobile!

  1. Make sure your device is unlocked!
  2. Check phone eligibility with- T-Mobile Bring Your Own Phone Eligibility
  3. Once you've confirmed with T-Mobile (either on their website or in-store) then you are ready to switch
  4. Choose the right T-Mobile plan - here is a link to all T-Mobile BYO plans
  5. Choose a plan that best fits your cellular needs
  6. Activate your device onto the T-mobile network

We also have an article on our website that details how to switch to T-Mobile. You can click this guide here to help you switch.

T-Mobile offers a promo code to enter at checkout. FREESIM is the promo code!

From the T-Mobile Website: Switch to T-Mobile and keep the number you already have. It's easy to transfer your number(s). If your phone number(s) are eligible for transfer to T-Mobile, you can transfer them in one of two ways:

  1. Dial 611, or call Customer Care at 1-877-453-1304, when you receive your new T-Mobile phone or SIM card(we recommend this method if you need to use your current phone until your new T-Mobile phone or SIM card arrives).
    OR
  2. Follow the number transfer instructions on the payment page at checkout(we recommend this method if you do not need to use you current phone until your new T-Mobile phone or SIM card arrives). For information on shipping times, see our shipping options.

Reminder:Do NOT cancel your wireless account until your T-Mobile account has been activated.

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