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.

A major exploit in Google Pixel smartphones has just been revealed, allowing an attacker to unlock and access your smartphone by switching out the SIM card. The issue has been discovered by David ...

Click to viewJust four days after its launch, the iPhone 3G has been unlocked for the first time exactly like the original iPhone: using a special card that piggybacks to your SIM card, fooling the ...