Zte BLADE A512 User Manual page 134

Security
Touch >
that help keep your phone and data safe.

Screen lock: Disable the screen lock or enable it with swipe,
pattern, PIN, or password. See
Screen Locks.

Make pattern visible: Show the pattern as you draw it. This
option is available when unlock pattern is set.

Automatically lock: Set the time needed for the lock
protection to be activated after the screen turns off. This
option is available when unlock pattern, PIN or password is
set.

Power button instantly locks: Lock protection is activated
immediately when you press the Power key. This option is
available when unlock pattern, PIN or password is set.

Lock screen message: Set the text that you may display
on the lock screen.

Smart Lock: Keep the phone unlocked when connected to
trusted devices, in trusted places, or unlocked by trusted
faces or voice, or unlocked when your phone is being
carried on the body.
NOTE:
You need to sign in to your Google account on the phone to
use the Smart Lock feature.
> Settings > Security to configure options
134
Protecting Your Phone With