LG LGD851TN - Manual (Page 94)

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Display tab
Home screen
Select Home - Select the desired Home theme. Choose from Home (standard
Android layout) or EasyHome (simplified version for users less familiar with
Android navigation).
Smart Bulletin - Include an additional home screen showing customized info.
Wallpaper - Allows you to set the Home screen wallpaper.
Screen swipe effect - Choose the desired type of effect to display when you
swipe from one Home screen canvas to the next.
Allow Home screen looping - Allows you to select the type of effect to display
when you swipe from one Home screen canvas to the next.
Home backup & restore - Select to backup and restore app/widget
configurations.
Help - Touch to get information on using the Home screen of your device.
Lock screen
Select screen lock - Select the desired option to secure your phone from the
below.
None - No lock screen.
Swipe - Swipe any part of the screen to unlock screen.
Face Unlock - Unlocks the screen through facial recognition. Follow the
prompts. You are asked to select Pattern and/or PIN as a backup.
Knock Code - The Knock Code feature allows you to create your own unlock
code using a combination of knocks on the screen. You can access the
Home screen directly when the screen is off by tapping the same sequence
on the screen.
Pattern - Allows you to set a pattern as your screen lock. It's recommended
that you enter a backup PIN as well in case you forget the pattern.
PIN - Enter a numeric PIN to unlock the screen.