LG Stylus 3 M400DY - Инструкция по эксплуатации - Страница 422

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.