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.

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 ...

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

When most of us think of two phones, we think of them having two separate numbers. You may have a personal phone and a phone for work that operate completely independently of one another, each with ...