Activate T-Mobile SIM Card

T-Mobile Activate SIM card

Activate T-Mobile πŸ“± SIM сard is quite an easy procedure which does not require much effort and time, you can perform it in several ways: online, by phone, in the store and through a mobile application, you can also read all the related information on each of the ways.

T-Mobile SIM Card Register Online

You can activate the carte online through the official website.

To do this you will need to make a few simple actions:

  • Go to the site -
  • Login to a personal cabinet
  • If there is no personal cabinet, register it
  • Choose that you want to register a new carte
  • Follow all instructions
  • You must enter the phone number on the SIM-card
  • You will also need to enter your IMEI (International Mobile Equipment Identity).
  • After entering follow the instructions and complete the activation

If you have difficulty registering, please contact the operator.

To learn how to do this, click here - T-Mobile Custmoer Service

T-Mobile Activate SIM card Online

Note! New SIM-card number can be found on the back of the package!

How Register T-Mobile SIM Card by Phone

You can also register by making a smartphone call.


  • Turn off your cell phone
  • Insert a new SIM-card
  • Power on your phone
  • Call: +1-800-866-2453
  • Follow all the steps according to the instruction
  • Choose your personal tariff plan
  • Enter your smartphone number and IMEI
  • You've successfully activated your card

You can find IMEI number by dialing this command: *#06#

It's worth noting that the smartphone call is completely free.

Check the tariff plans beforehand to choose the one that suits you best!

Note! For faster registration write down your IMEI beforehand and have your card number ready!

Get Activate SIM Card in T-Mobile Store

If you buy yourself a new SIM-card in an official store, you can immediately activate it at that location.

To do this you will need to:

  • Go to the customer service counter
  • Ask a staff member for help with activation
  • Give the phone with a sim card already inserted
  • Wait while the employee performs all the actions
  • To voice your desired tariff plan
  • Pick up the phone with the registered carte

If you are going to the store solely for registration, check the schedule of the store beforehand.

Note! Remember that the procedure is not free and costs 20 dollars!

Activate T-Mobile SIM Card Through App

Another way to activate your SIM-card is to use the mobile app.

How to download the application can be found here - T-Mobile App

Once you have made the installation and logged into your personal area go to the activation SIM-card.

After that enter phone number of new card and attach phone's IMEI to it. You will also need to select the tariff plan, which is suitable for your use.

After confirm the activation and wait for the data processing, after the end of processing a dialog box will appear with the notification about successful activation!

Note! The mobile application works only if you have internet on your device!


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