Samsung SM-J415GN/DS User Manual

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Settings133For better fingerprint recognitionWhen you scan your fingerprints on the device, be aware of the following conditions thatmay affect the feature’s performance:• The device may not recognise fingerprints that are affected by wrinkles or scars.• The device may not recognise fingerprints from small or thin fingers.• To improve recognition performance, register fingerprints of the hand used most often toperform tasks on the device.• The fingerprint recognition sensor recognises fingerprints. Ensure that the fingerprintrecognition sensor is not scratched or damaged by metal objects, such as coins, keys, andnecklaces.• Covering the fingerprint recognition sensor with protective films, stickers, or otheraccessories may decrease the fingerprint recognition rate. If the fingerprint recognitionsensor is initially covered with a protective film, remove it before using the fingerprintrecognition 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 featurein dry environments or before using the feature, discharge static electricity by touching ametal object.Registering fingerprints1 On the Settings screen, tap Biometrics and security → Fingerprints.2 Unlock the screen using the preset screen lock method.If you have not set a screen lock method, create one.