SIM cards have been an integral yet often forgotten part of owning a smartphone for the past few decades. For most users, the SIM card defines the basic commercial relationship they have with their ...

A SIM, which stands for ‘subscriber identity module’, is the small plastic card provided by your network that slots inside your mobile phone. It holds information, such as your mobile number, and ...

Today T-Mobile announced a new type of SIM card that can be embedded into devices for machine-to-machine communications. The new SIM, which is made from silicon, not plastic, is small (the size of the ...

What is a SIM card used for? A SIM card, or a subscriber identity module/subscriber identification module, is a tiny memory card that contains unique information and is linked to a particular network ...