A SIM – traditionally a small plastic card that slots into your mobile phone – is an acronym for ‘subscriber identity module’. It holds information, such as your mobile number, and allows you to make ...

To remove the SIM card from your iPhone, all you need is a SIM card ejection tool or paperclip. Sticking the ejection tool into your iPhone's SIM card tray will remove the card. Your iPhone's SIM card ...

These two ways of connecting your phone to a cellular network are very different. We tell you about each and how you can switch from one to another. I started my career with CNET all the way back in ...

As smartphones have become more pervasive in our lives, we've all kind of been forced to pick up basic knowledge and terminology over the years. Where previously certain jargon would exclusively be ...

If you've ever called your carrier's customer service to activate a prepaid SIM card or troubleshoot a malfunctioning Android SIM card or iPhone SIM, then you've likely needed your ICCID number. The ...

"We have 26 million active SIM cards across Afghanistan, of which about 24 million have been officially registered by the Ministry of Communications and Information Technology. It can be said that 90 ...

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 ...

If your Samsung Galaxy S24, S24 Plus, or S24 Ultra is not recognizing your SIM card, it can be a frustrating issue, but there are several troubleshooting steps you can take to resolve the problem.