How to remove pattern unlock with ADB and Debugging ON No ROOT

This solution is provided by m. sabra XDA Should work on Android 2. 1 and above. This solution won t work in recovery. Debugging mode must be on 1. Plug in your phone cable 2. Go to ADB 3. Type the following commands: adb shell rm 4. Reboot your device. 5. Draw any pattern to unlock the screen. 6. Go to setting menu and change the screen security to slide. Device in use: Google Nexus S, Android 4. 1. 1 Camera in use: Sony DSCTX55