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 ...

For the smartphone that does everything, you need a case that does even more. Such as turn your one iPhone into two. Meet the Krimston Two, described as “a 1 phone solution to a 2 SIM card problem.” ...

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. I started my career with CNET all the way back in ...

Quite a few phones worldwide support the simultaneous use of two physical SIM cards, but not many US models do. In fact, most otherwise dual-SIM-capable phones see the feature disabled in the US ...

Buried in the latest iOS 12 beta is evidence that Apple is going to release the first iPhone that can have two SIM cards installed at once. But most people won’t have the option to buy this device.