Zte BLADE V8 SE User Manual page 53

Using Your Fingerprint
With the fingerprint sensor on the back cover of your phone,
you can register up to 5 fingerprints and use them to unlock
the phone or open a bound app.
NOTE:
The fingerprint feature is only usable when the screen lock
(Pattern, PIN number or Complex password) is enabled.
When the screen lock is reset to Swipe, all registered
fingerprints are erased.
Register a Fingerprint
Press the Home key > Settings > Security >
1.
Fingerprint.
Touch Fingerprint management to mange fingerprints
2.
and set up fingerprint sensor.
Follow the prompts to record a finger.
3.
Touch OK.
4.
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