All modern iPhones and iPads now use nano-SIM cards. Unfortunately, this can be a bit of a problem for anyone switching from an older device, because the nano-SIM is much smaller than the micro-SIMs ...

If you’ve bought an iPad with 4G/cellular capabilities (we discuss whether that’s a good idea in our 2015 iPad buying guide) or a new iPhone, you need to buy and install a SIM card. Here, we explain ...

Find out how to trim your own micro-SIM card for use in phones that require this new format. Sharon Profis Former Vice President of Content, CNET Studios As vice president of CNET Studios, Sharon led ...

The iPad's Subscriber Identity Module connects the tablet to cellular data when Wi-Fi is unavailable. Unlike the iPad Mini, which uses a nano SIM card, the standard iPad uses a slightly larger micro ...

Anyone looking to add more than one number to their iPhone, maybe to keep work and pleasure separate or just to have multiple numbers on one device. Will be pleased to know that this is made possible ...

Want to squeeze your current SIM card into your brand new iPhone 5? Check out our DIY guide to find out how. Katie Collins Principal Writer Katie is a UK-based news reporter and features writer.