Samsung Galaxy A21S - Page 115

Settings
115
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The fingerprint recognition sensor recognises fingerprints. Ensure that the fingerprint
recognition sensor is not scratched or damaged by metal objects, such as coins, keys, and
necklaces.
•
Covering the fingerprint recognition sensor with protective films, stickers, or other
accessories may decrease the fingerprint recognition rate. If the fingerprint recognition
sensor is initially covered with a protective film, remove it before using the fingerprint
recognition sensor.
•
Ensure that the fingerprint recognition sensor and your fingers are clean and dry.
•
If you bend your finger or use a fingertip, the device may not recognise your fingerprints.
Make sure to cover the entire fingerprint recognition sensor with your finger.
•
In 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 Biometrics and security
→
Fingerprints .
2
Read the on-screen instructions and tap Continue .
3
Set a screen lock method.
4
Swipe your finger downwards over the fingerprint recognition sensor.
Repeat this action until the fingerprint is registered.
5
When you are finished registering your fingerprints, tap Done .