Samsung Galaxy M30 User Manual page 141

Settings
For better fingerprint recognition
When you scan your fingerprints on the device, be aware of the following conditions that
may affect the feature's performance:
• T he 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.
• C overing 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.
• E nsure that the fingerprint recognition sensor and your fingers are clean and dry.
• T he device may not recognise fingerprints that are affected by wrinkles or scars.
• T he device may not recognise fingerprints from small or thin fingers.
• I f 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.
• T o improve recognition performance, register fingerprints of the hand used most often to
perform tasks on the device.
• I n 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
On the Settings screen, tap Biometrics and security → Fingerprint Scanner.
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Unlock the screen using the preset screen lock method.
If you have not set a screen lock method, create one.
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