Samsung SM-A320F User Manual page 152

Settings
• T his feature may not be available depending on the region or service provider.
• F ingerprint recognition uses the unique characteristics of each fingerprint to
enhance the security of your device. The likelihood of the fingerprint sensor
confusing two different fingerprints is very low. However, in rare cases where
separate fingerprints are very similar the sensor may recognise them as identical.
• I f you use your fingerprint as a screen lock method, your fingerprint cannot be
used to unlock the screen when turning on the device. To use the device, you must
unlock the screen using a pattern, PIN, or password you set when registering the
fingerprint. Be careful not to forget your pattern, PIN, or password.
• I f your fingerprint is not recognised, unlock the device using the pattern, PIN,
or password you set when registering the fingerprint, and then re-register your
fingerprints. If your pattern, PIN, or password is forgotten, you will not be able to
use the device if you do not reset it. Samsung is not responsible for any data loss or
inconvenience caused by forgotten unlock codes.
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 Home key contains a fingerprint recognition sensor. Ensure that the Home key is not
scratched or damaged by metal objects, such as coins, keys, and necklaces.
• T he screen protector supplied with the device may cause the fingerprint recognition
sensor to malfunction. Remove the screen protector to improve fingerprint sensitivity.
• E nsure that the fingerprint recognition area 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 Home key 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.
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