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 ...

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 ...

If you like the idea of the free data-only SIM cards now available through Google’s Project Fi mobile virtual network operator (MVNO) program, just know that you won’t be getting 4G LTE service ...

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 ...

Do you get the error message “No SIM Card Detected” or “No SIM Card Installed” after inserting a SIM card into your phone? This problem often occurs when you ...

Simjacker isn't the only SIM-based attack that could put phones at risk. Ginno Security Lab has detailed another exploit, WIBattack, that compromises the WIB (Wireless Internet Browser) app on some ...

Have you seen the “SIM card not detected” or “No SIM card inserted” error on your Samsung Galaxy S20, S20+, S20 Ultra, or S20 FE? This frustrating error ...

Want cheap data and phone calls when you’re abroad? Here’s how. By Geoffrey Morrison There’s an easy way to get zero roaming fees, inexpensive internet service and cheap phone calls when you travel.