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 ...

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 ...

Adam Z. Lein has been a tech journalist at Pocketnow since 2002. He's also been a photographer since 1995 and a web developer & graphic designer since 1997 while working on the DEC intranet. He's also ...

If you’re expecting a new iPhone 5 on Friday, and you’re buying it unlocked directly from Apple, you’re going to need a nano-SIM to go with it. Obtaining one is easy if your carrier is one supporting ...

Apple shifted to the Nano-SIM standard with the iPhone 5, and the two newer ones – the iPhone 5s and the iPhone 5c, are following the same standard. Android phones till now, had remained on the ...

So let’s say you’re really excited to get a new iPhone 5, but unlike the average buyer, you’re getting an unlocked one straight from Apple, and you’re champing at the bit to bring it to your carrier.

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 ...