Want to squeeze your current SIM card into your brand new iPhone 5? Check out our DIY guide to find out how.

If you want to upgrade your iPad to have 3G/4G capabilities, you need to equip it with a SIM card. Our beginners' tutorial explains where to get the right SIM card, and how to do install it.

Regular and Micro-SIM cards are too big for the iPad or iPhone, but this trick enables you to cut down a SIM card to a Nano-SIM so it fits into an iPhone or iPad.

Unlike the iPad Mini, which uses a nano SIM card, the standard iPad uses a slightly larger micro SIM card. The SIM card is locked to a particular cellular data provider, so if you switch carriers ...

If you have a iPhone 13 or older, your device still has a physical SIM card. Here's a guide on how to remove it.

Find out how to trim your own micro-SIM card for use in phones that require this new format.