The SIM card in your iPhone is crucial to your making calls, but it's also small enough to lose, and easy enough to put in the wrong way. Here's how to successfully remove a SIM card, and put one back ...

What is a SIM card used for? A SIM card, or a subscriber identity module/subscriber identification module, is a tiny memory card that contains unique information and is linked to a particular network ...

Since the iPhone 4, Apple has generally kept the SIM card slot in the same place on the handset on successive generations. You can find it on the right side of the phone, on the side opposite the mute ...

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 ...

Once you’ve activated your iPhone with your carrier, it should continue to work on the cellular network without any problems as long as you’re within range of a tower. Nevertheless, the vagaries of ...

The newer eSIM technology, which is quickly becoming the standard on high-end phones, is safer and more convenient.

Apple's iPhone 14 lineup brings a pretty significant change for customers in the U.S. For the first time, you won't find any room for a physical SIM card in your new iPhone. Instead, you'll need to ...

Apple removed the physical SIM slot for the iPhone 14, 15, and 16 in the US. If you're travelling out of the country or need a separate work line, here’s how to get connected using an eSIM. Embedded ...