Samsung SM-A336B/DSN User Manual page 107

Settings
When you are finished registering your fingerprints, tap Done.
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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.
On the Settings screen, tap Biometrics and security → Fingerprints.
1
Unlock the screen using the preset screen lock method.
2
Tap the Fingerprint unlock switch to activate it.
3
On the locked screen, place your finger on the fingerprint recognition sensor and scan
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your fingerprint.
Changing the fingerprint recognition icon setting
Set the device to show or hide the fingerprint recognition icon when you tap the screen while
the screen is turned off.
On the Settings screen, tap Biometrics and security → Fingerprints.
1
Unlock the screen using the preset screen lock method.
2
Tap Tap to show icon when screen off switch to activate or deactivate it.
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Deleting registered fingerprints
You can delete registered fingerprints.
On the Settings screen, tap Biometrics and security → Fingerprints.
1
Unlock the screen using the preset screen lock method.
2
Select a fingerprint to delete and tap Remove.
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