A SIM card, or subscriber identity module, is a small card in your cellphone that lets you place phone calls, send text messages, and more.

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 ...

Knowing how to copy contacts from your Samsung phone to a SIM card can come handy if you plan on keeping a copy of numbers in a portable storage that you can later on access in another phone. In order ...

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 ...

A dual-SIM setup lets you use one phone to make and receive calls and texts from two numbers. It's also super convenient and can save you serious cash when traveling. We show you how to use two SIMs ...

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 ...

You don't need a SIM card and cellular service to use most features of today's iPhones and Android phones. Most apps and services run just fine as long as you have access to WiFi, and you can even set ...

If your new phone no longer supports SIM cards, or you don't want to use them anymore, you can convert to eSIM instead.

Removing a SIM card from your phone can sometimes seem like a daunting task, but it is a relatively straightforward process that can be necessary for various reasons, such as switching carriers, ...

To remove the SIM card from your iPhone, you'll need to eject the SIM card tray with a special tool or paperclip.