Every smartphone needs a SIM card that assigns you a phone number and lets you call, text, and use the best data plans. But, there's more than one type of SIM card, and the user experience varies ...

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 ...

Apple has won a battle over the standard for a smaller SIM card, use of which would leave more room for other components in future phone designs. The Smart Card Platform Technical Committee of the ...

Every month, you pay a bill for cell phone service. Somehow, that access needs to make it to your device. The SIM card, or “subscriber identity module,” connects your phone with your phone bill. While ...

If you've just got your hands on a shiny new Sim card, congratulations. Switching your Sim (the chip that dictates your allowance) can unlock huge savings. Now comes the crucial step of activating it ...

Apple has won a battle over the standard for a smaller SIM card, the use of which would leave more room for other components inside future phones and tablets. The Smart Card Platform Technical ...