Samsung Galaxy S23 User Manual page 145

Settings
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.
3
Tap the Fingerprint unlock switch to turn it on.
4
On the locked screen, place your finger on the fingerprint recognition sensor and scan
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.
1
On the Settings screen, tap Security and privacy → Biometrics → Fingerprints.
2
Unlock the screen using the preset screen lock method.
3
Tap Show icon when screen is off and select an option.
Deleting registered fingerprints
You can delete registered fingerprints.
1
On the Settings screen, tap Security and privacy → Biometrics → Fingerprints.
2
Unlock the screen using the preset screen lock method.
3
Select a fingerprint to delete and tap Remove.
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