When your device is on and left idle for a set period of time, the screen darkens to save battery power, and locks automatically. The screen lock prevents unwanted actions on the touchscreen when you are not using it.
To activate the screen
- Briefly press the power key .
To unlock the screen
- Swipe up or down on the lower part of the screen.
To lock the screen manually
- When the screen is active, briefly press the power key .