If your new phone no longer supports SIM cards, or you don't want to use them anymore, you can convert to eSIM instead.

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.

Transferring your phone number can be a mess, especially if you're going from iPhone to Android. Here's how I flipped the script.

You've just purchased a new iPhone and need to transfer your contacts from an Android phone. Here are 4 different ways to do just that.

A dual-SIM setup lets you use one phone to make and receive calls and texts from two numbers. It's also super convenient and can save you serious cash when traveling. We show you how to use two SIMs ...

Once you’ve activated your iPhone with your carrier, it should continue to work on the cellular network without any problems as long as you’re within range of a tower. Nevertheless, the vagaries of ...

You're probably already familiar with the SIM card, a tiny chip in your phone that connects it to your cell phone carrier of choice. For years, this chip was on a physical card that you could swap in ...