Activate a T-Mobile SIM card on your phone. The most common way to activate a T-Mobile SIM card is with your phone itself. It’s easy to do, and you’ll have to follow these steps: ...

If you're a new T-Mobile customer or you recently purchased a new phone, you may have a new SIM card you'll need to activate. Here's how to set it up.

On Tuesday, AT&T revealed Wireless Account Lock, a new protection designed to curb the SIM-swap scams. When activated, the ...

How to activate a T-Mobile SIM card? Insert your SIM card into your phone when it is switched off. Next, turn your phone on and follow the on-screen instructions. Finally, call 1-800-T-MOBILE to ...

A few months ago, a source sent The T-Mo Report a document detailing a brand new program targeting any T-Mobile customers using Sprint’s SIM cards. On June 30, Sprint started giving “targeted ...

Refill T-Mobile online. Filling up online from your My T-Mobile account is easy and allows you to enroll in AutoPay, if desired. To refill your account online, go to the My T-Mobile website and enter ...

T-Mobile appears all set to eliminate any remaining traces of Sprint in a few months. A leaked company document reveals that the carrier will stop supporting legacy Sprint SIM cards on May 1, 2023 ...

T-Mobile is now offering a micro-SIM card for customers wanting to use unlocked iPhone 4 handsets on its network. This move shows that T-Mobile is not only embracing unlocked iPhone 4 users, ...

These let the network know what your phone number is, and what phone carrier you use (T-Mobile, Verizon, etc.). SIM cards can carry a great deal of data, like your contact list and text messages.

Every smartphone needs a SIM card to do its job. But maybe you don’t quite know what a SIM card is or how it works. Here’s a handy guide to everything a SIM card can do.