Your phone's SIM card allows the device to make calls, send texts, and connect to the internet. The SIM card provides a phone number that identifies your device on the carrier's network, whether it's ...

(Subscriber Identity Module lock) A function in GSM cellphones that restricts the phone's use to a particular cellular carrier identified by a SIM card. SIM locks are used to ensure subscribers finish ...

Security is one crucial issue to we need to pay attention to due to the unsafe environments we live in. Most people have had their phones stolen at some point. And those stolen phones had their bank ...

With SIM swapping, an attacker calls the carrier's support staff, pretends to be the smartphone user, and asks for a number transfer. Postpaid AT&T customers can activate Wireless Account Lock from ...

If you're an AT&T customer, you can turn on a new security feature that prevents your phone number from being moved to a different device without your knowledge, exposing your data to cyber criminals ...

For the better part of the last decade, Verizon’s smartphones haven’t been SIM-locked. That means that a Verizon phone can work on basically any other network even if you bought it directly from the ...

The carrier’s new Account Lock feature will prevent unauthorized changes to your account, including phone number and SIM card transfers. The carrier’s new Account Lock feature will prevent ...

Make sure you know where the toggle is, just in case. - Kevin Carter/Getty Images AT&T has a nifty new way of ensuring that its customers don't get SIM swapped. The only way to do any of those things ...

Update, October 19, 2018 (12:20PM EST): It’s not clear whether it’s from customer backlash or if it was always planned this way, but Verizon is apparently remotely SIM-unlocking all Google Pixel 3 ...