HTC J Z321e User Manual page 55

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55
Personalizing
4. Choose a backup lock to use in case the phone doesn't recognize you.
5. Tap Lock phone after, then specify the idle time before the screen is locked.
You can also tap Improve face matching on the Security screen to train HTC J to
recognize your face in different situations, such as when you're wearing glasses or
sporting a beard.
You'll be asked to unlock the screen every time HTC J is turned on or when it's idle for
a certain period of time.
To further improve security, select Liveness check on the Security screen. You'll be
asked to blink to unlock the screen.

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