Apple has posted a Knowledge Base article on swapping SIM cards in iPhones, which the company says may be required for "repair, warranty service, or if you own an authorized unlocked phone (Germany ...

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 ...

For people who want to separate their work and home life, or who travel a lot to different countries, being able to swap between SIM cards in your smartphone makes a lot of sense. And while most ...

You’ve just bought yourself an iPhone – welcome to the club! However, while you thought you’d just be able to pop your existing SIM card into your iPhone, you might be wrong. That’s dependant on not ...