Zte ZMAX - Changing Screen Brightness; Protecting Your Phone with Screen Locks

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3. For Gallery images, touch OK. For Photos images, touch SET
WALLPAPER. For Live wallpapers or Wallpapers, touch Set
wallpaper.
Changing Screen Brightness
1. Touch the Home Key > Menu Key > System settings > Display >
Brightness.
2. Touch AUTO to make the phone adjust the screen brightness
automatically, or adjust the brightness manually.
Protecting Your Phone With Screen Locks
You can protect your phone by creating a screen lock. When enabled,
you need to touch and hold the screen, look at the front camera, draw a
pattern or enter a numeric PIN or 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, Face Unlock, Pattern, PIN or Password.
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Touch Long press to enable screen lock and allow unlock with a
‘touch and hold’ gesture. You can unlock the screen by touching
and holding any blank area of the screen to unlock it.