Mobile's free service is useful mostly to those on older iPhones and Pixels as well as Motorola devices and Samsung users who ...

Mobile's T-Satellite service is that it allows 911 access for everyone, whether you're on T-Mobile, AT&T or Verizon.

Transferring your phone number can be a mess, especially if you're going from iPhone to Android. Here's how my experience has been with the carrier.

These two ways of connecting your phone to a cellular network are very different. We tell you about each and how you can switch from one to another.

If your carrier's offers don't cut it for your trip, an international SIM card is a perfect short-term choice, with vending ...

T-Mobile US launched an offering enabling anyone with a compatible smartphone to send emergency texts to 911 via its ...

Physical SIM cards are on their way out, but I'm worried that switching to eSIM isn't nearly as easy as it should be just yet.