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

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.

Why constrict yourself to one mobile carrier when you can connect to two? More modern devices are now packing support for two SIMs, but what about Google’s newer smartphones? Read on to learn whether ...

I have a Flip Z4 with an eSIM and a physical SIM in the slot. I'd like to use the physical SIM for data, and the eSIM for calls. This is supposed to be possible according a Samsung support document: ...

A SIM card, or subscriber identity module, is a small card in your cellphone that lets you place phone calls, send text messages, and more.

T-Mobile is testing a new dual SIM subscription. The service seems simpler to set up compared to T-Mobile’s DIGITS subscription and is cheaper too. T-Mobile is offering a second line to customers in ...

For many years, mobile phones received cellular service through a physical SIM (subscriber identity module) card that connected your handset to your phone carrier. These physical SIM cards made it ...