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 ...

All modern iPhones and iPads now use nano-SIM cards. Unfortunately, this can be a bit of a problem for anyone switching from an older device, because the nano-SIM is much smaller than the micro-SIMs ...

Want to squeeze your current SIM card into your brand new iPhone 5? Check out our DIY guide to find out how. Katie Collins Principal Writer Katie is a UK-based news reporter and features writer.

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.

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 ...

With a little patience and some work, it appears that iPhone 5 owners may be able to trim a Micro SIM down enough to potentially fit inside the iPhone 5’s Nano Sim slot. One of the biggest questions ...

One of the originators of the SIM standard has designed a new “nano-SIM” that’s considerably smaller than the micro-SIM it hopes to replace. One of the originators of the SIM standard has designed a ...

SIM card format developer Giesecke & Devrient is proposing new specifications for a new SIM format called the nano-SIM, which will be 30 percent smaller than today’s micro-SIM and 60 percent smaller ...

Posts from this topic will be added to your daily email digest and your homepage feed. The Verge has obtained detailed information on the so-called “nano-SIM” proposals from Apple, Nokia, and RIM. The ...

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 ...

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 ...