LG G Pad 8.0 Guide De L'utilisateur page 94

Vibrate on tap – Allows you to set the vibration feedback when the tablet
screen is touched.
Display
Home screen
Theme – Sets the screen theme for your device.
Wallpaper – Sets the wallpaper to use on your Home screen.
Screen swipe effect – Sets the effect when you swipe to change screens.
Allow Home screen looping – Checkmark to set the Home screens to
scroll continuously, eliminating the need to scroll back in the opposite
direction when you reach one end.
Home backup & restore – Allows you to backup and restore app and
widget configurations and themes.
Help – Displays information about the Home screen.
Lock screen
Select screen lock – Set a screen lock type to secure your tablet.
NOTE: After upgrading to Lollipop OS, your screen lock may not be
available except for Pattern, PIN and Password.
In this case, go to Apps
credentials to delete the security certificates, and then, set up a screen
lock.
Be careful when you clear credentials because all the security
certificates you have installed will be deleted.
Smart Lock – Sets to keep your tablet unlocked when you have a trusted
Bluetooth device connected to it, when it's in a familiar location like your
home or work, or when it recognizes your face.
Screen swipe effect – Sets the screen swipe effect options.
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> Settings > Security > Clear