What is a SIM card used for? A SIM card, or a subscriber identity module/subscriber identification module, is a tiny memory card that contains unique information and is linked to a particular network ...

[ youtube video link for mobile viewing ] One of the first videos I ever did up for CrackBerry.com was a BlackBerry 101 on How to Install the MicroSD Card into your BlackBerry Smartphone. To this day ...

Want to install an extra SIM card in your smartphone? Here's what you need to do just that.

Want to install an extra SIM card in your iPhone 6s? Here's how to do just that.

The exception to this rule is the iPhone 5, which uses an even smaller Nano SIM card. The good news for iPhone 5 owners switching over to the Z10 is that they can actually use their Nano SIM card in ...