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.

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 ...

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 ...

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 ...

Share on Facebook (opens in a new window) Share on X (opens in a new window) Share on Reddit (opens in a new window) Share on Hacker News (opens in a new window) Share on Flipboard (opens in a new ...

If you’ve bought an iPad with 4G/cellular capabilities (we discuss whether that’s a good idea in our 2015 iPad buying guide) or a new iPhone, you need to buy and install a SIM card. Here, we explain ...