Samsung SM-G970F User Manual page 216

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Settings
Deleting registered fingerprints
You can delete registered fingerprints.
On the Settings screen, tap Biometrics and security → Fingerprints.
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2
Unlock the screen using the preset screen lock method.
3
Select a fingerprint to delete and tap Remove.
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.
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2
Unlock the screen using the preset screen lock method.
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Tap the Fingerprint unlock switch to activate it.
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On the locked screen, place your finger on the fingerprint recognition sensor and scan
your fingerprint.
Changing the fingerprint recognition icon setting (Galaxy S10+, S10)
Set the device to show or hide the fingerprint recognition icon when you pick up your device
or tap on the screen while the screen is turned off.
On the Settings screen, tap Biometrics and security → Fingerprints.
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2
Unlock the screen using the preset screen lock method.
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Tap the Show icon when screen is off switch to activate or deactivate it.
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