From a Home screen, swipe up or down from the center of the display to access the apps screen. These instructions only apply to Standard mode and the default Home screen layout.
Navigate: Settings > Lock screen and security.
From the Phone security section, tap Secure lock type. If presented, enter the current PIN, password, or pattern.
Configure any of the following: Depending upon the screen lock type, the options presented may vary.
Make pattern visible Tap to to turn on or off .
Lock automatically
Immediately
5 seconds
15 seconds
30 seconds
1 minute
2 minutes
5 minutes
10 minutes
30 minutes
Lock instantly with power key Tap to to turn on or off.
Auto factory reset Tap to to turn on or off.
Lock network and security Tap to to turn on or off.