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This page will help you sign up for Connect by T-Mobile Prepaid service. Learn about Connect by T-Mobile plan benefits. Compare plans, current offers, and additional Prepaid services on the Prepaid plans page.

New T-Mobile customer

If you are new to T-Mobile, it is easy to sign up online. If you have any questions, Contact Us.


Existing T-Mobile Prepaid account

If you have an existing T-Mobile Prepaid account, you can change to a Connect by T-Mobile UNL Talk & Text plan.

Need help?

  • If you don't have Connect by T-Mobile as an available plan option or if you have a different account type, you will need to migrate your existing T-Mobile account to get Connect by T-Mobile.
  • If you do not want to migrate your current number, go back to Connect by T-Mobile to sign up. for a new line. You can cancel your existing account later if needed.


Migrate your account to Connect by T-Mobile Prepaid

Use this process to migrate an existing T-Mobile Prepaid line to a new Connect by T-Mobile Prepaid account, or for existing lines that do not have the option to change to Connect by T-Mobile online.

What you will need to get started

Before you can migrate your account to Connect by T-Mobile you will need these items:

  • A new SIM Card (applicable cost associated). Your current T-Mobile SIM card will not work with Connect by T-Mobile Prepaid but you can keep your existing number. If you have more than one T-Mobile number you want to migrate to Connect by T-Mobile, Contact Us.
  • The mobile number from your existing account you want to migrate.
  • Existing T-Mobile account number.
  • PIN/Passcode for your existing T-Mobile account which is different from your password - it's the one you use when you call us.
  • Secondary email address (different from the one associated with your existing T-Mobile account).

What you need to know

  • Some services and benefits are unavailable for Connect by T-Mobile, such as Device Protection, Netflix On Us, T-Mobile app self-service, and support.
  • Any existing service promotions such as free lines or monthly discounts will be lost and may not be available if you decide to convert back in the future.
  • When you migrate your account any existing outstanding service or device payment balance on your consumer account will immediately become due.
  • Your voicemail account will be reset and you will lose any voicemails not saved to your device.
  • Your account tenure will reset, which may affect your ability to qualify for select programs in the near future.
  • Keep your account active until you activate your new SIM card. 
  • Once your new SIM card is activated it will take 2 - 4 hours to transfer your existing number to your new SIM card.

Next, follow these steps

Some steps may direct you to say you don't have a T-Mobile account or SIM card already. Continue to follow the step-by-step instructions outlined and your account will migrate successfully.

  1. Go to
  2. Select Shop
  3. Select Bring Your Own Device to use your existing phone. If you want to purchase a new device Contact Us.
  4. Enter your ZIP code.
  5. Select Continue.
  6. In the Check IMEI section, check if your device will work with T-Mobile service or select Skip.
  7. In the SIM card activation section, choose I need to buy a T-Mobile SIM card.
  8. Select Continue. Your current SIM card will not work with Connect by T-Mobile Prepaid. Choose I have a T-Mobile SIM card if you have a T-Mobile branded SIM card that has never been used before.
  9. Select New Customer when asked if you Are you an existing customer? We are creating a new Prepaid account your existing number will transfer to.
  10. In the Product Selection, select Connect by T-Mobile plan. You can also select See More to learn about what each plan includes. 
  11. Select Go to Cart
  12.  Verify your SIM card and plan selection.
  13. Select Check Out on the Shopping Cart screen. Do not add on additional lines if you intend to migrate more than one mobile number to Connect by T-Mobile. Instead, Contact Us.
  14. You will be prompted to Sign Up or Log in. Choose Sign Up and enter your new account information, then select Continue:
    • Email Address, which must be different from the one associated with your original T-Mobile account.
    •  4-digit PIN 
    • Name
    • Address, select Original or Suggested address if a pop-up appears
    • Preferred language
  15. Enter a Line nickname if you want For example, “My Line” or “Jennifer’s line” and select Use your existing number
  16. Next, enter details from your existing T-Mobile account:
    • Mobile Number
    • Account Number
    • PIN/Passcode
  17. Complete the emergency address e911 information: Opt out or Opt in (default).
  18. Add primary place of use address.
  19. Select Continue.
  20. Add an email address under Shipping notifications.
  21. Select Continue.
  22. Enter your payment method and address.
  23. Review and agree to the payment terms and conditions.
  24. Select Continue
  25. Review the order and Terms & Conditions.
  26. Select Accept & Place Order to finish. 
  27. An on-screen message will confirm your order has been placed.

Still have questions?

Check out our Connect by T-Mobile FAQs for more information on these plans. You can also engage our Community for help with general questions about this process.

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