If you’ve bought an iPad with 4G/cellular capabilities (we discuss whether that’s a good idea in our 2015 iPad buying guide) or a new iPhone, you need to buy and install a SIM card. Here, we explain ...

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 ...

Eli covered the latest in the ever-changing worlds of telecom, streaming and sports. He previously worked as a technology reporter at USA Today. With eSIMs, you'll still be able to take full advantage ...