One of the outermost layers is the screen lock pattern (or pin). With this pattern, you can set up a fairly strong bit of security that can prevent unwanted users from gaining access to your data.

Step 3 – Follow the on-screen instructions to allow your phone to enter recovery mode and reboot the system.That’s how to bypass pattern lock with 4uKey for Android without needing a factory ...

Even in its default 3 x 3 grid state, pattern unlock is still a relatively secure solution. Admittedly, it's not quite at the level of a PIN setup, and there's a body of literature to back this ...