Zte Z852 User Manual page 155

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.
Encrypt phone: Encrypt your data on the phone to protect

your privacy. See
Set up SIM card lock:

Lock SIM card: Activate or deactivate the PIN lock to

require PIN before accessing the nano-SIM card.
Change SIM PIN: Change the PIN used to access the

nano-SIM card.
NOTE:
Put all your confidential passwords in a safe place for future
use. If you enter the wrong SIM PIN more times than
allowed, your nano-SIM card will be locked and you cannot
access the mobile phone network. Contact your operator for
a PIN Unlock Key (PUK) to restore the nano-SIM card.
Make passwords visible: Display passwords as you enter

them.
Device administrators: View or deactivate apps you have

authorized to be device administrators.
Protecting Your Phone With
155
Encryption.