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 ...

Conflict is brewing in the mobile world over the adoption of a new, smaller standard for the SIM card — the chip in each GSM phone that dictates which network you connect to and your cellphone number.

You’ve just bought yourself an iPhone – welcome to the club! However, while you thought you’d just be able to pop your existing SIM card into your iPhone, you might be wrong. That’s dependant on not ...

Apple has completely overhauled the design of its iPhone 5 to achieve a body that is 18 percent slimmer than its predecessor. The reduced thickness of the new iPhone has forced Apple to implement a ...

Find out how to trim your own micro-SIM card for use in phones that require this new format. Sharon Profis Former Vice President of Content, CNET Studios As vice president of CNET Studios, Sharon led ...

Are you planning to use an unlocked phone as a pay per go? If so, easy to use, but with a bit of a runaround regarding data. Once I get home I can post how to unless someone else does. I currently ...

What you see in the image above is the evolution of mobile phone SIM card design over the past four years. The largest in the image, known as the mini-SIM, was used for quite a while as the standard ...

With the launch of the Nexus 4, I have finally had to start looking around at what I’m going to do in regards to my SIM card as the Nexus 4 takes a microSIM. A microSIM is a essentially a cut down ...