LG LG-M400DK - Fingerprint recognition

Custom-designed Features 14
Fingerprint recognition
Fingerprint recognition overview
Youmustregisteryourfingerprintonyourdevicefirstbeforeusingthe
fingerprint recognition function.
Youcanusethefingerprintrecognitionfunctioninthefollowingcases:
• To unlock the screen.
• To view the locked content in the Gallery or QuickMemo+.
• Confirm a purchase by signing in to an app or identifying yourself with
your fingerprint.
• Yourfingerprintcanbeusedbythedeviceforuseridentification.
Very similar fingerprints from different users may be recognised by
the fingerprint sensor as the same fingerprint. To enhance the device
security, set the screen lock to a pattern, PIN or password.
Precautions for fingerprint recognition
Fingerprint recognition accuracy may decrease due to a number of
reasons. To maximise the recognition accuracy, check the following before
using the device.
• Thedevice’sPower/Lockkeyhasafingerprintsensor.Ensurethatthe
Power/Lockkeyisnotdamagedbyametallicobject,suchascoinor
key.
• Whenwater,dustorotherforeignsubstanceisonthePower/Lockkey
or your finger, the fingerprint registration or recognition may not work.
Clean and dry your finger before having the fingerprint recognised.
• A fingerprint may not be recognised properly if the surface of your
finger has a scar or is not smooth due to being soaked in water.
• If you bend your finger or use the fingertip only, your fingerprint may
not be recognised. Make sure that your finger covers the entire surface
ofthePower/Lockkey.