The new Samsung Galaxy Note 5 requires a nano SIM card for you to place calls, access the Internet, download applications, and share photos over your network service ...

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 ...

(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 ...

The big reason to immediately update to the November security patch – besides being the first one for the Pixel 7 – is that it contains a bug fix for a security issue that can unlock and bypass your ...

If you’re thinking of moving to a new network, and want to keep hold of the same iPhone, you may hit a snag: the device is locked to your current carrier and can’t be used with any other company.

You can activate a new or used iPhone for use with a cellular service provider in a few steps. Here's how to activate any ...