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LG K30 - LM-X410TK Manual

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Custom-designed Features 6
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 locked contents in 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 recognized by
the fingerprint sensor as the same fingerprint. To ensure security,
set the screen lock using a pattern, PIN or Password.
Precautions for fingerprint recognition
Fingerprint recognition accuracy may decrease due to a number of
reasons. To maximize 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 using the fingerprint
sensor.
• A fingerprint may not be recognized 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 recognized. Make sure that your finger covers the
entire surface of the Power/Lock key.
… 7 …


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  • I have this phone but today it just stopped working. It won't turn on the screen is black but it was charging for a while so it's charged. I don't know why it won't work since yesterday it was just fine. Submitted on 1-2-2022 at 17:20

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