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 ...

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 ...

Being able to swap your SIM card into a different phone is great—until you find out it isn't the right size. If you need to fit your Nano-SIM into a Micro-SIM slot, the Sadapter can help. I recently ...

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.

We’ve shown you how to turn a regular SIM into a Micro SIM, but what if you want to do things the other way around? Here’s how to turn a Micro SIM into a regular ...

I know it might seem like a strange request, but the current carriers have been giving out terrible quality SIM card adapters. They fall apart after a couple of insertion/removal cycles. And due to ...

4FF stands for 4th Form Factor. A SIM card that is simply physically smaller than a traditional (2FF) SIM card or Micro-SIM (3FF) card. See: SIM The electric contacts and circuitry of a Nano-SIM are ...

So you are looking for the best smartphones with Nano SIM card slots? Well, let’s get into it then. Those of you who are not familiar with SIM cards, I bet you use CDMA phones. SIM (subscriber ...

3FF stands for 3rd Form Factor. A SIM card that is physically smaller than a traditional (2FF) SIM, but larger than a nano-SIM (4FF). See: SIM The electric contacts and circuitry of a micro-SIM are ...

The Verge has obtained detailed information on the so-called “nano-SIM” proposals from Apple, Nokia, and RIM. The Verge has obtained detailed information on the so-called “nano-SIM” proposals from ...