Are you trying to switch phones or carriers? You might need to swap SIM cards for that, and we can understand how confusing this process can be if you haven’t done it before. Today we’ll show you ...

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 ...

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 ...

Phone suddenly showing "No SIM" or "Invalid SIM"? Don't panic, there are a few quick checks that can get you reconnected fast ...

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 ...

A SIM card, or subscriber identity module, is a small card in your cellphone that connects you to the network. Your SIM card contains your phone number, and lets you make phone calls, send text ...

A no-network issue on your SIM card can be frustrating, but it is usually easy to fix. From restarting your phone to updating ...

A SIM card, or subscriber identity module card, is essential component of any phone. It connects your device to a cellular network and stores vital information, including your phone number. Many ...

You can remove the SIM card from your Samsung Galaxy S10 using the SIM removal tool that came with your phone. It's shaped like a key, but has a narrow pin instead of teeth. Your Galaxy S10's SIM card ...

iPhone SE has sent ripples across the mid-range segment with its combination of a killer $399 asking price and capable hardware. The interest in Apple’s latest offering is sky high, and people are ...

As the iPhone Air goes eSIM-only, and some of the best Android phones also drop the SIM card tray, here's a look at the eSM, ...