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 ...

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 ...

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.

Just in case a micro-SIM card is too bulky for you, Germany’s Giesecke & Devrient (G&D) has announced a nano-SIM card, which is about 30% smaller than the micro-SIM and 60% smaller than a SIM card.

A new, smaller SIM card, dubbed nano-SIM, will free up room for additional memory and larger batteries, helping phone vendors create thinner devices, German company Giesecke & Devrient said on Friday.

The powers at the ETSI just released the specifications for a new SIM format. This card, the fourth form factor or the 4FF, is 40% smaller than the current micro-SIM card. It looks very similar to ...