The SIM cards that fit into those tiny slots in your cell phone and tell your cellular network to whom your calls are to be charged come in four different sizes. With the only real difference between ...

If you’ve got an iPad with 3G and are at a loss on how to get your own SIM or mini-SIM card to work with its micro-SIM port, a fellow named John Benson has a solution… and it involves a meat cleaver.

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 ...

If you have an iPhone 5 and are tired of paying the high price for voice and data on your current carrier, a new option is available from prepaid network Solavei. The carrier has announced that it now ...

In 2021, there were more than 14 billion cellular devices in the world even though there were only 7 billion people. The ubiquity of these devices – but especially smartphones – has come to define the ...