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.

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.

Did it myself for Straight Talk (Micro to Nano), no issues, and I didn't use a template, I just used a Nano-sim I had lying around and traced it, then cut for my wife's iPhone5.

Ready for your new iPhone 5? You may have to wait a bit longer. These handsets need compatible nano-SIM cards before they can be used. Can you cut down an existing SIM card? Here's your answer.

The iPhone 5 will likely use a new smaller Nano SIM instead of the traditional Micro SIM card. The past iPhones, you just have been able to cut a SIM card to fit a Micro SIM card slot, but it ...

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