Finger sensor do not work - LG V40 Questions & Answers

Finger sensor of my LG V40 do not work yet. Can anyone help me ?

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[Q] Only top infrared sensor for gestures seems to work

Only the top infrared sensor seems to react to motion. If I put my finger over that one, I get an immediate response, any of the others don't seem to get any sort of response. Anyone else having that experience?
blix247 said:
Only the top infrared sensor seems to react to motion. If I put my finger over that one, I get an immediate response, any of the others don't seem to get any sort of response. Anyone else having that experience?
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The bottom ones don't work if you are too close. Try about 6 inches out and it'll work.

Finger Print sensor not working?

My finger print sensor stopped working yesterday and no matter what I did it just would not unlock my phone anymore as if it forgot my registered print so I deleted the the saved prints on the phone and tried to make a new set but the sensor doesn't wanna read my finger prints. What do I do? This is dumb if I have to send it in for repair cause this is a two month old phone lmao

Turn off vibration finger print scanner?

Does anyone know if it's possible to turn off the vibration of the finger print scanner without root?
No as far as I know
Peter17065 said:
Does anyone know if it's possible to turn off the vibration of the finger print scanner without root?
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Whilst this does require root to start, you can install LineageOS (which is NOT rooted by default) That usually has an option to do that, the radio/.signal is better and is generally stable.. As for no root at all, there isn't a way.

Anyone else's hadware back and recent button stop working?

So I sprayed the screen a bit with​ screen spray when I installed a new screen protector. All of a sudden the finger print sensor wasn't working right and both hardware buttons for back and recent stopped working. The finger print sensor now works again after a day of it being off but still both back and recent do not work. I didn't spray the screen much either. Is it that sensitive?

Question How to improve the Finger Print Sensor

The Finger Print Sensor works more reliable if you disable the Haptic Feedback. It seems that the Vibration at unlocking affects the reliability of the sensor.
achimmexico said:
The Finger Print Sensor works more reliable if you disable the Haptic Feedback. It seems that the Vibration at unlocking affects the reliability of the sensor.
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Hey on my original global rom it was really bad but since updating to 12.5.3 I removed the fingerprints and re-added and now it works perfectly
achimmexico said:
The Finger Print Sensor works more reliable if you disable the Haptic Feedback. It seems that the Vibration at unlocking affects the reliability of the sensor.
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Will try this, mine doesn't work anywhere near 100%
Mine works perfectly without any 'hack'
I've noticed that if you keep your finger down it takes longer, I keep my finger down a split sec then lift up, works well so far even at night.
danitaro said:
Mine works perfectly without any 'hack'
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Same here
The capacitive one on my other phones is much more reliable and faster
I just added face unlock ...saves me annoyance

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