Screen off, intermittently flashing LED? o.O - LG V20 Questions & Answers

Hello guys. Which sensors are on the front of telephone? I was taking pictures for a guy who asked me the photos of the phone, so i took a couple of it with the second display off/on, and I noticed that there is a small LED that flashes intermittently when the phone is switched off the screen and some time when is on, below the front camera ... to the naked eye you do not notice it, in fact i have never seen, but if using a camera you see this LED that blinks continuously. With the phone turned on does not do it, only when it is switched off ...
It is not any reflection, I used two cameras and from different angles you see the same LED always flashing in the usual place ...
Does anyone know if it is normal this thing ??? Thanks
Photo here:
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It's the proximity sensor.

Paradoxumical said:
It's the proximity sensor.
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Click to collapse
But it should not go ON only for calls?

Reydeen said:
But it should not go ON only for calls?
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Click to collapse
Nope, that behavior is completely normal.

The proximity sensor is also used to prevent the use of the power button and the fingerprint scanner when the is zero light. Personally this annoys me since I came from a Nexus 5X, and unlocking the phone in my pocket gives a feel of a faster unlock.

Great, thank you all for the answers. I was already worried lol
However Note 5 did not do it ... meh!
Thanks again!

Related

less camera light

is there any possibility to reduce the camera light?
if i take pictures from faces, the flash uses his full power and messes up the picture. there is an example:
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On my Sony Ericsson K800i the kamera did send out a light to get the focus and took the picture with the flash light...
anyone knows good settings to take pictures at darker places?
also the hd2 has a quiet bad image stabilization. did someone experienced something diffrent?
The TMoUS camera drivers fix the LED flash overexposure problem so all you have to do is find a cooked ROM which uses them.
I used to have a k800i too, the camera is far better than hd2 due to its xenon flash (better light management) and very short shutter time (reducing blur).
If as NeoGreendawg says the US rom has a fix then its only a matter of time till its fixed officially over here.
Right now i use a program called Torchbutton which turns the led's on. Then run camera app and set flash to disabled. The torch gives enough light but without the superbright flash that kills the pic.
Look on the sticky application thread in hd2 themes & apps for torch button.
As for image stabilisation i guess we just have to hold the thing damn still

[Q] only white and purple screen color??

Generally screen is normal but sometimes when i make a phonecall after that screen is turned into white and purple color like in the screenshot. And it stays that way until i reboot the phone. Anyone having this issue? Is it a hardware problem? I tried both wm 6.5 and android have the same issue...
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Hi,
I've had what looks like a negative screen,where the phone is is still usable.
A reboot will fix it.
Imilka (DEV) said it was just a glitch.
Nothing to worry about.
Haven't had it for a while though.
yeah it doesn't effect the working of the phone. but nowadays it is happening more and i always had to reboot the phone:/
semihbalcioglu said:
yeah it doesn't effect the working of the phone. but nowadays it is happening more and i always had to reboot the phone:/
Click to expand...
Click to collapse
Hi,
May I suggest a new ROM?
http://android.hd2roms.com/
thank you
semihbalcioglu said:
Generally screen is normal but sometimes when i make a phonecall after that screen is turned into white and purple color like in the screenshot. And it stays that way until i reboot the phone. Anyone having this issue? Is it a hardware problem? I tried both wm 6.5 and android have the same issue...
Click to expand...
Click to collapse
I have this issue occasionally using GBX. Found that when it happens, if you keep pressing the power off button several times quickly, to lock then unlock your phone. The screen will go back to normal. Alot quicker then rebooting.
Sent from my HTC HD2 using XDA Premium App
thank you, will keep that in mind
I do the same. sometimes. helps to restart
when changing the rum became less.
sorry for my english

Note 4 Display turns on by itself or minimal touches

Hello, friends of the Note 4.
Im note sure if i am right here to ask about a specific problem.
Like i mentioned in the headline, the display of my phone turns on by minimal touches it seems, for example if i take the phone in my hand but not puch any button. Can be that it also turns on without toches, im not so sure.
The effect is hardly reproducable though, by handling the phone rougher just to see if the display turns on. Not sure.
Im a little stumped by this problem, since it didnt changed by flashing another rom. Im a little afraid that it could be a hardware problem... Hope not.
Do you have any advice for me what to try or in what direction to look for a solution?
Thanks!
Quick Glance on for some reason? LOL!
ithehappy said:
Quick Glance on for some reason? LOL!
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What even is Quick Glance? I use a Note 7 rom, by the way... Just truned off smart stay. It will take time to see if it solved the problem.
I think this problem is related to the apps that can appear on top like pie control, drup or any other 3rd party apps. So try to disable them one by and see which app is causing this problem. Cheers
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Sent from my SM-N910G using Tapatalk
Thanks for reply! Honestly, the whole Apps hat can appear on top thing is a super bother. I dont really understand the sense of it. Yes i will try to disable all.

****ty Sensor Always Keeps On.

Just updated to fresh Oreo and factory reset . but phone is draining battery crazy as well as heat up too much. I always have this **** Sensor on ... I wanted to turn it off . any workaround would b greatly appreciated:good:
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zaighumjawad said:
Just updated to fresh Oreo and factory reset . but phone is draining battery crazy as well as heat up too much. I always have this **** Sensor on ... I wanted to turn it off . any workaround would b greatly appreciated:good:View attachment 4549214
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well its the proximity sensor, if you disable it your phone if you have Always On Display active, and when you are in phone calls and things like that the phone screen wont be turned off, i mean, AOD in the pocket with that sensor disabled will keep the screen on everytime and the battery will drain even faster.
its possible, if you are rooted and can install xposed and have some tweaks you can do it, already have some mods for xposed with that trick.
Have you checked your wakelocks? There could be a rogue app disabling deep sleep in the background... I used BBS and found out for me it was onefootball
i have checked every single settings not sure about wakelock... proximity sensor should not light up when screen is off. so there is something...even with screen off no always on display its still on
Any solution mates,
buddies...!!!!! just checked it on lg astro 2 and two more devices it is always lighting ..so no problm i think...

Blinking dot under selfie camera appears on custom ROMs (just lockscreen)

Hi! I have a Galaxy A40 and i didn't had that problem with the stock rom, altough i read that even the stock system can producate the same issue.
I'm on the crDroid 9.0 Android 13 (the rom is incredibly good though). In the past i've tried other custom ROMs and a few of them had that issue but not just in the lockscreen but systemwide.
Fortunately in that case the dot blinks only on the lockscreen, and its not that visible with a darker wallpaper but it's still annoying.
(I've also noticed that if [not in the lock screen] the screen has a brighter image front of the sensor the auto brightness goes up and if it has a darker image front of it, the brightness will go down... It's maybe not the case and I saw that wrong but hey, idk.)
I have two questions about it, I would be grateful if anyone could help! :3
1.) IS IT BAD FOR THE HARDWARE?
Its maybe a stupid question but a constant flickering is not a calming thing thats for sure...
2.) IS THERE A WAY TO SOLVE THAT PROBLEM?
Are there fixes? Flashable zips, apps, mods or anything that is should try to make that disappear? Or I just shouldnt have light backgrounds anymore?
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Thanks~ xoxo
It's required for the proximity sensor which is mounted behind the screen and needs the black dot to see through (I think!). Sadly doesn't look like it's fixable but it doesn't harm or cause issues other than it being a but annoying to look at. I think the flash we are all getting in these open source ROMs is a workaround for not knowing the exact matching frequency of the sensor.

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