If you have a SIM card PIN enabled on your phone to access data on the SIM card, but you repeatedly enter it incorrectly, the SIM card may lock you out from further attempts. You can reset the SIM ...

Google’s system basically keeps all the security of a SIM PIN, while removing all the inconvenience. Just make sure you jot down the Android-managed PIN somewhere secure, in case your phone ever dies ...

This simple step can avoid a security nightmare.

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 ...

Beta 2 gives new clues ...

In this guide we’ll show you how to SIM unlock the Galaxy S9 so you can use it on different carrier networks. That way if you bought the Galaxy S9+ from AT&T, you can still take it to T-Mobile if you ...

(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 ...

Samsung Galaxy Note 3 owners or prospective owners need not worry too much about the issue of region locking on Note 3 handsets. Previous reports about European and American models of the Galaxy Note ...

David is the former Editor-in-Chief of Android Police and now the EIC of Esper.io. He's been an Android user since the early days - his first smartphone was a Google Nexus One! David graduated from ...

GSM phones can be "locked", that is made to accept only SIM cards belonging to a specific network. Typically, this is done so that phones will work only on the network of the carrier. SIM-locked ...