versions of Android
(via How-To Geek)
Android normally secures your device by demanding a PIN, pattern, or full password. Your phone isn’t useless if you forget the unlock code — you can bypass it and get back in.
As Google tightens security, this has become more difficult on modern versions of Android. But there’s always a way to make your phone usable again, as long as you remember your Google account’s username and its password.