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 ...

For most everyone who has ever owned a smartphone, a SIM card has been part of the equation. The now tiny, nano-sized version of the Subscriber Identity Module (SIM) is what’s linked your phone to the ...

The sim card that exists inside your phone is what connects your phone to your specific cellular network. For most of us we might not even realize it’s there. When we get a new phone from our carrier, ...

With the iPhone 14, Apple has worked up the courage to remove yet another physical connector. This time it’s the slot for the physical SIM card that cellular networks use to identify their subscribers ...

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 ...