User Manual

Settings
157
For better fingerprint recognition
When you scan your fingerprints on the device, be aware of the following conditions that
may affect the feature’s performance:
•
The Home key contains a fingerprint recognition sensor. Ensure that the Home key is not
scratched or damaged by metal objects, such as coins, keys, and necklaces.
•
The screen protector supplied with the device may cause the fingerprint recognition
sensor to malfunction. Remove the screen protector to improve fingerprint sensitivity.
•
Ensure that the fingerprint recognition area and your fingers are clean and dry.
•
The device may not recognise fingerprints that are affected by wrinkles or scars.
•
The device may not recognise fingerprints from small or thin fingers.
•
If you bend your finger or use a fingertip, the device may not recognise your fingerprints.
Make sure to cover the entire Home key with your finger.
•
To improve recognition performance, register fingerprints of the hand used most often to
perform tasks on the device.
•
In dry environments, static electricity can build up in the device. Avoid using this feature
in dry environments or before using the feature, discharge static electricity by touching a
metal object.
Registering fingerprints
1
On the Settings screen, tap Lock screen and security
→
Fingerprints .
2
Unlock the screen using the preset screen lock method.
If you have not set a screen lock method, create one.
3
Place your finger on the Home key.
4
After the device detects your finger, lift it up and place it on the Home key again.
Repeat this action until the fingerprint is registered.
When a fingerprint lock pop-up window appears, tap
ENABLE to use your fingerprint to
unlock the screen.