Samsung SM-N981B/DS User Manual page 142

Settings
• Ensure that the fingerprint recognition sensor area at the bottom center of the screen
and your fingers are clean and dry.
• If you bend your finger or use a fingertip, the device may not recognize your fingerprints.
Press the screen so that your fingertip spreads over the wide surface of the fingerprint
recognition area.
Registering fingerprints
1
On the Settings screen, tap Security and privacy → Biometrics → Fingerprints.
2
Read the on-screen instructions and tap Continue.
3
Set a screen lock method.
4
Tap Register and place your finger on the fingerprint recognition sensor. After the device
detects your finger, lift it up and place it on the fingerprint recognition sensor again.
Repeat this action until the fingerprint is registered.
5
When you are finished registering your fingerprints, tap Done.
You can check whether your fingerprint is registered by tapping Check added
fingerprints.
Unlocking the screen with your fingerprints
You can unlock the screen with your fingerprint instead of using a pattern, PIN, or password.
1
On the Settings screen, tap Security and privacy → Biometrics → Fingerprints.
2
Unlock the screen using the preset screen lock method.
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