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.

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

The nano SIM sits in the SIM card tray along with the tail of the X-Twin 6S Plus adapter so that it makes contact with the SIM card pin assembly inside the handset (yes, that ribbon cable is thin ...

That’s dependant on not only which size SIM card you have, but model of iPhone you have too, as older iPhones use standard SIMs while more recent iPhones opt for the Micro- or Nano-SIM.

Those of you who are not familiar with SIM cards, I bet you use CDMA phones. SIM (subscriber identification module) card basically allows your phone to communicate with the carrier.

Just like you could hand-modify a mini-SIM down to micro-size, it’s not impossible to get a mirco-SIM (or a mini one) to fit the nano form factor. That doesn’t mean it’s easy.

If you don’t fancy using a meat cleaver to turn your SIM card into a micro SIM card for your new Apple iPad, then you may want to check out this cool tool which does it for you, the Cut My SIM.

We’ve seen plenty of evidence suggesting the iPhone 5 will ditch Micro-SIM cards in favor of the Apple-designed nano-SIM standard, and now Vodafone UK has made that switch a near certainty.

The SIM cards are designed to be backwards compatible, so if you have a micro-SIM card but your cellphone takes a mini-SIM card, you can place the micro-SIM card in a mini-SIM adapter, which just ...