To unlock the screen using a screen unlock pattern You are asked to select a security question that will be used to unlock the device if you forget your screen unlock pattern. Follow the instructions in your device.Find and tap Settings > Security > Screen lock > Pattern.Draw your backup screen unlock pattern or enter your PIN.Note: If the Face Unlock feature fails to recognize your face, you need to draw the backup pattern or enter the PIN to unlock the screen. Look at your device from the same angle you used to capture your Face Unlock photo.To unlock the screen using the Face Unlock feature For best results, capture your face in an indoor area that is well lit but not too bright, and hold the device at eye level.Someone who looks similar to you could unlock your device. The Face Unlock feature is less secure than a screen lock pattern, PIN, or password.Select a backup lock method and follow the instructions in the device to complete the setup.After your face is successfully captured, tap Continue.