Volume Power is a can make the volume keys to unlock the screen if you phone power button is bad this is your best choice


Can work:
1> click on the volume power notification bar to lock screen
2> through the volume keys to unlock can reduce the number of power button use count


Warning:
1> the use of the application will be more and more power consumption which can not be avoided
2>it can't startup and shutdown

End:
Welcome to use the applicationIf you have any questions please tell me I will try my best to correct