Thanks for your interest in T-Mobile for Business service. Before you make the switch, review important details for your device and phone number.

Watch a tutorial to seamlessly switch

Device setup

Bring your own device

• First check that your device is compatible. 
• Next contact your current carrier to confirm or request a device unlock code for your device.
• Then confirm your device is unlocked and if applicable, make sure it is paid off. 
• For more information, review our Bring your own device (BYOD) guide for compatibility and eligibility. 

Get a new device

• We offer an easy-to-use guide to Set up a new T-Mobile phone so you can transfer data from your old device. 
• Check out T-Mobile on YouTube for many helpful, hands-on device unboxing, and setup tips. 

Activate a device with embedded SIM (eSIM)

• When activating a device that has an eSIM, use the SIM card & eSIM page for detailed steps to activate.
• Check out your device details for eSIM compatibility. 

Register your Hub on your new device

Use the steps on the Account Hub registration page to create an account, then log in to Account Hub to manage your account

Reimbursements

• You may be eligible for a device payment balance or Early Termination Fee reimbursement offer. 
• Review the process on the Switch2T-Mobile page to get your reimbursement request started. 

What about your phone number?

Transfer your existing number

Ready to join us? Review how to Switch your numbers to T-Mobile. To switch your lines to T-Mobile, you’ll need to have the following information from your current carrier: 

• Phone numbers  
• Account number (often located on your bill or online account) 
• Account PIN (often used to verify your account) 
  • Personal accounts may require a Number Transfer PIN 
  • Some carriers offer ‘porting protection’ which restricts carrier transfers. Contact your carrier for information on this service and how to remove any restrictions. 

Need a new number?

• If you’re not switching your numbers from another carrier, your new devices are active out of the box, which includes SIM cards that were ordered for a new line of service. 
• Upon activation we’ll send you an Activation Confirmation email containing all the details you’ll need.