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

The newer eSIM technology, which is quickly becoming the standard on high-end phones, is safer and more convenient.

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) ...

Once you’ve activated your iPhone with your carrier, it should continue to work on the cellular network without any problems as long as you’re within range of a tower. Nevertheless, the vagaries of ...