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.

There are plenty of great dual-SIM Android phones on the market, but which should you purchase? We've tested the lot, and ...

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.

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 ...

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.