Changing physical SIM cards on your phone is always a fiddly business. First, you have to root for the little SIM tray tool ...

For the longest time, using a physical SIM (Subscriber Identity Module) card was the only way to connect cell phones to a carrier's network. Although physical SIM cards have gotten smaller over the ...

If your new phone no longer supports SIM cards, or you don't want to use them anymore, you can convert to eSIM instead. I started my career with CNET all the way back in 2005, when the (original) ...

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 ...