Changing Screen Brightness; Protecting Your Phone With Screen Locks - Zte Z791 User Manual

Some cropping may be needed for Gallery images.
4. Touch OK at the top of the screen (for Gallery images) or Set
wallpaper.
NOTE: Live Wallpapers are not available for the Lock Screen.

Changing Screen Brightness

1. Touch the Home Key > Menu Key > System settings >
Display > Brightness.
2. Drag the sliders to adjust the brightness.
Protecting Your Phone With Screen
Locks
You can protect your phone by creating a screen lock. When
enabled, you need to touch and hold certain icon, look at the front
camera, draw a pattern or enter a numeric PIN or a password to
unlock the phone's screen and keys.
1. Touch the Home Key > Menu Key > System settings >
Security.
2. Touch Screen lock.
3. Touch Long press, Pattern, PIN or Password.
 Touch Long press to enable screen lock and allow
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