Samsung SM-N960F User Manual page 53

Basics
Lock screen
Pressing the Power key turns off the screen and locks it. Also, the screen turns off and
automatically locks if the device is not used for a specified period.
To unlock the screen, swipe in any direction when the screen turns on.
If the screen is off, press the Power key or hard press the Home button or the Home button
area to turn on the screen.
Locked screen
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