Switching to the Un-Carrier can be exciting, but you have to know how to get set up. Here's how to activate a T-Mobile SIM card.

An upcoming Android update will make it easier to quickly switch the SIM used for mobile internet with a Quick Settings tile.

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.

But with Android 14, Google is adding the ability for Dual-SIM to automatically switch to the best mobile data option.

An eSIM or embedded SIM card is a new technology. It is the virtual or digital version of the traditional data SIM card. Fortunately, if you have one of the last-gen or latest Android phones ...

While Pixel 10 eSIM capabilities promise easier international travel, uneven carrier support means users must be prepared for ...

If your phone suddenly won't recognize your SIM card, don't panic. There are a few things you can do to try and resolve the problem. Here's what to do.