You can unlock your Android phone even if you've forgotten the passcode, but you'll usually need to factory reset the phone.

Even if you use a fingerprint or Face Unlock to secure your Android phone, neither of those methods can be used as the "main" security method. For example, when you restart your phone, it will require ...

A strange glitch is allowing users to network unlock T-Mobile Samsung phones. The glitch appears to work regardless of your phone’s status with T-Mobile, essentially allowing you to bypass network ...