You can use it to lock your cell phone screen immediately.
So you can release the power buttom, and extend the life of it.
Please tap the widget. Screen off to sleep immediately.
Free trial is displayed in the widget.
Please select a Widget from the setting.
Widget:Long tap the screen >> Widget >> [Screen Off]
Initial startup, [Activate device administrator ? ] And will ask.
[Activate] Please tap.
The second is to sleep immediately.
[Settings] Please open.
[Location & Security] your tap.
[Select device administrators] tap.
[Screen Off Widget] Please remove the check.
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