How to Unlock Launch CRP919E BT diagnostic scanner screen pattern lock if forgotten?
Enter recover mode as following:
Long press and hold the power button for 3-5 seconds.
The system will enter boot process.
During this process, press the power buttons for 5 times quickly, the system will enter Engineering mode.
Launch scanner will give the option to unlock pattern lock.
Short press the power button to move the menu and long press the power button to select the menu.