SCREEN SECURITY
Select screen lock: Sets how to secure your phone from unintentional and/or unauthorized use. Choose from None, Swipe, Face Unlock, Knock Code, Pattern, PIN, and Password.
CUSTOMIZE
Wallpaper: Sets your Lock screen wallpaper. Select it from Gallery or Wallpaper gallery.
Widgets: Checkmark to show widgets on your Lock screen. To add widgets to the Lock screen, swipe the Lock screen to the right.
Missed calls & new messages: Show notifications of missed calls and new messages on Lock screen.
Shortcuts: Allows you to change the shortcuts on the Swipe Lock screen.
Contact info for lost phone: Show contact info on Lock screen in the event phone is lost.
LOCK TIME
Security lock timer: Sets the amount of time before the screen automatically locks after the screen backlight turns off (times-out due to inactivity).
Power button instantly locks: Checkmark to instantly lock the screen when the Power/Lock Key is pressed. This setting overrides the Security lock timer setting.
The Security lock settings depend on the Lock type. The following settings may also be displayed.
Hidden pattern: Checkmark to display the unlock dot pattern when (and where) you tap the Lock screen.
Make pattern visible: Checkmark to make your pattern visible while drawing it.
Hidden PIN: Checkmark to display the keypad when you tap the Lock screen.
Random PIN entry: Sets the keypad to random numbers so that someone watching cannot detect your PIN from your hand movements.
Hidden password: Checkmark to display the keyboard when you tap the Lock screen.
Hidden password: Checkmark to display the keyboard when you tap the Lock screen.
Liveness check: Checkmark to require you to blink during face matching detection (to guard against using a photo of you).