Samsung SM-A9000 User Manual page 92

Settings
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:
• T he 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.
• T he screen protector supplied with the device may cause the fingerprint recognition
sensor to malfunction. Remove the screen protector to improve fingerprint sensitivity.
• E nsure that the fingerprint recognition area and your fingers are clean and dry.
• T he device may not recognise fingerprints that are affected by wrinkles or scars.
• T he device may not recognise fingerprints from small or thin fingers.
• I f 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.
• T o improve recognition performance, register fingerprints of the hand used most often to
perform tasks on the device.
• I n 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 → Add
fingerprint.
2
Place your finger on the Home key.
3
After the device detects your finger, lift it up and place it on the Home key again.
Repeat this action using the same finger until the fingerprint is registered.
4
When a screen appears requesting to register a backup password, enter the backup
password, and then tap CONTINUE.
5
Enter the backup password again to verify it, and then tap OK.
You can use the backup password instead of scanning your fingerprints.
6
When a fingerprint lock pop-up window appears, tap SET. You can use your fingerprints
to unlock the screen.
92