(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 ...

One of the standout features of Android Q, the next major release of Google's popular mobile operating system, is a system wide dark mode that got skipped over in Android P. A legion of users is sure ...

One common issue that some users face is their new phone not accepting their SIM card, requiring an unlock code. We will cover various methods to obtain the unlock code and troubleshoot your SIM card ...

An unlocked phone is a device that has no carrier locks or restrictions. It's usually sold at full price. You can use it with any carrier of your choice, whether you're using a physical SIM card or ...

Verizon now makes it possible for customers to defend against SIM swapping attacks by enabling the free Number Lock protection feature through the My Verizon app or the My Verizon website. SIM ...

SIM cards have become a universal aspect of modern smartphone usage, but the technology and meaning behind the name dates more than three decades.

The programmable Apple SIM, today for the new iPad Air 2, gives users the freedom to move from one wireless carrier to another -- in theory, at least. Love Apple or hate it, you can't deny the company ...

Using two SIM cards, or enabling a dual-SIM setup, can be helpful when you need two separate phone plans on a single device. It easily lets you consolidate personal and work numbers on one phone, for ...