Sensor problems (brightness, auto rotate etc) - G3 Q&A, Help & Troubleshooting

Since a few weeks my LG G3 has te following problems:
- Auto rotation is not working
- Camera is unable to focus frequently when starting the app for the first time
- Camera is not saving while recording, but photos are working fine
- Screen is not turning off while making a phone call
- Auto brightness is not working
- Sometimes the infrared sensor at the front side of the screen is constantly turned on, untill I reboot
I've dropped the phone once, very softly from like 20 cm, on the right bottom side.
The strange thing is that the problems occurd step by step and sometimes disappeared after rebooting, but now all the problems listed above are unfixable.
Checked CPU-Z at the sensors tab, none of them seem to work:
And the original values from a fully working LG G3:
Any ideas on how to fix this, it's getting really annoying right now.
Thanks,
Niek

I guess returning the phone to LG is not going to work, since it has already one scratch mark on it from falling.
Any ideas?

hi @Niekjuh,, how the solution for your phone ?

Returned the phone, they could not repair it so returned the money instead.

Related

G3 Display auto adjustment???

I was wondering if someone has noticed similar behavior on their G3. My G3 is 100% stock and is only a week old. Wherever I wake up my device, about 5 seconds after turning it the screen has a small flicker and the screen seems to auto adjust or calibrate. This only happens once every time I wake up the device. My auto-brightness is set to off and the screen is at 100% brightness. I did some tests and noticed that when I wake up the device with the top sensors covered (proximity, front camera etc), that the screen doesn't have this flick to it. Is there some sort of "outdoor" mode or something on these where the screen will self calibrate when it notices it's in a bright situation?
Please test on your devices and let me know if you see anything similar to this. I tried taking a video but it's so quick and subtle that the video doesn't show it.
mine does same. vzw. covered sensors, still brightness adjustment.
only just now noticed today, but could have been happening all along.
I think it has something do with the proximity sensor. If you cover the sensor with a note pad you cannot turn on the screen, prob a tap to wake feature so it doesn't turn on in your pocket. But if you lift the note pad just enough to turn the screen on and quickly cover it, mine does not flick. I have tried this many times and worked 100% of the times.
My friend who works for at said that his does the same as well as the demo. Must be a weird firmware issue. Hopefully its resolved in the next ota
How many times are you gonna make this thread?
http://forum.xda-developers.com/lg-g3/help/screen-flicker-t2826882

Screen rotation lag

Has anyone else had a screen rotation issue on their Note 4?
In almost all apps, rotating from portrait to landscape or landscape to portrait has a very long delay. Usually at least 10 seconds, and sometimes not at all unless I tap the phone on a hard surface, and then it rotates.
That might suggest a sensor problem, except for 2 things that do work:
1) In camera mode, the buttons rotate instantly when I rotate the phone
2) In GPS status, which indicates phone orientation, it registers the screen rotation as roll in the pitch/roll display, although the GPS status screen does not rotate correctly either.
These seem to confirm that the actual sensor is working ok.
I've tried safe mode, clearing cache, closing all open apps. Nothing changes in the behavior. I also tried turning off SmartStay, and changing display mode.
Some hits I found suggested turning off "smart screen rotation" on the S5, but that setting doesn't seem to exist on the Note 4.
Has anyone had this problem and found a solution?
Glen
and sometimes not at all unless I tap the phone on a hard surface, and then it rotates.
Click to expand...
Click to collapse
This is like a dead giveaway for a hardware problem.
Wow, 10 seconds is a looooonnnggg time for a screen rotation. I've never experienced this on my Note 4, so the only thing I can think of is talking to your carrier or Samsung themselves to ask about it. Sounds like a hardware failure to me.
Yeah, that does make it seem like a hardware problem. But like I said, the camera buttons rotate instantly every single time, with zero lag. That would seem to say the hardware is working, unless the camera uses a different sensor for rotation than the rest of the UI.
Also, my wife has the same issue with her Note 4. We got them at the same time, so maybe it's a problem with that batch.
Since we both have it, it seemed like it could be caused by some app we both have, but I thought booting in Safe Mode would eliminate that, as only stock apps run in Safe Mode.
I guess I could wipe the device completely and see if it resolves. If not, I'll take it in as a hardware problem.
After a full wipe and cache clear, it still has the same problem. I called Verizon, and they are shipping out a replacement phone.
Glen

Light sensor and proximity sensor issues

Hello guys,
Reading around this seems to be a rather common issue among lg g2, lg g3 and lg g4 users.
the first one regards the light sensor. In relatively light environments, the light sensor value is too low, leading to the screen turning off soon after hitting the power botton and disabling the double tap. The same thing happens when you cover the sensor with the finger and is meant to be active while in our pockets, which is great, but the problem itself is very annyoing.
Initially I thought this was due to a software problem, but after performing a kdz reset on KK (from lollipop) I can assume that it has nothing to do with the OS.
The problem seems to diseappear soon after the reboot, but reappearing shortly after and it appeared later in the life of the phone, it worked fine for a long time.
But the first issue to appear to is the proximity sensor issue. Most of the time it is set to "near" even though there is nothing covering it. I opened the phone, cleaned it, hard resetted but still nothing. no solution seems to be effective. Of course this is very annoying during phonecalls and this is also disabling the double tap feature.
In a normal room situation during the evening with the light turned on and my body projecting a shadow over the phone, proximity: "near" and lightsensor: "2"
The combination of these 2 problems is making my experience with the G3 very unpleasant.
I don't who builds sensors for LG but they are not doing a great job!
So if you have the same problem you are not alone!
some tricks that I "learned" in order to overcome these problems are.
1) Light sensor:
- point the device towards a light source to unlock the device
- repeatedly press volume up after pressing power button to prevent screen turning off
2) proximity sensor
- reboot the phone before a phonecall
- running a device test through 3845#*855# (international version of the phone)
- using bluetooth systems during calls
- using headphones
If somebody has additional suggestions to provide me and the others please share.
Thanks!

Is anyone facing an issue with the proximity sensor in OnePlus7T

Ever since I've bought OnePlus 7T, the proximity sensor is giving me a lot of problems. Sometimes the screen lights up while I'm speaking on the phone and the speaker is activated. Sometimes the call gets recorded. Sometimes if the phone is in my pocket and I try to unlock it, it says too many attempts.
Yes it very annoying, when removing it from pocket accidently my fingerprint matches and something something happens.
vinay3190 said:
Ever since I've bought OnePlus 7T, the proximity sensor is giving me a lot of problems. Sometimes the screen lights up while I'm speaking on the phone and the speaker is activated. Sometimes the call gets recorded. Sometimes if the phone is in my pocket and I try to unlock it, it says too many attempts.
Click to expand...
Click to collapse
It's issue on most OnePlus phones.. I had the issue on 6T, 7 Pro.. annoying
1rahul1996 said:
Yes it very annoying, when removing it from pocket accidently my fingerprint matches and something something happens.
Click to expand...
Click to collapse
This is the biggest reason I may be going Pixel 4...
Yes I too have this issue with my OP7T
Yup, same issue here.
Another thread about it here - https://forums.oneplus.com/threads/proximity-sensor-doesnt-work.1147600/
Also issue present on OP7Pro forums.
Seems to be related to this "Virtual Sensor":
https://www.ellipticlabs.com/2019/0...eaner-design-to-oneplus-7-series-smartphones/
So we have to wait and hope (could be this same as Never Settle? :d) that can be fixed with a software update.
It seems to get worse the more I use my phone. Anyone else notice this? Brand New it never did it
Josh McGrath said:
It seems to get worse the more I use my phone. Anyone else notice this? Brand New it never did it
Click to expand...
Click to collapse
Someone on the OP7T forum suggested it may be Tap the Screen to Show (let's call it TSS) feature.
I enabled DTW. This will trigger Ambient Display -> "Tap the Screen to Show" to be disabled.
Tried and the screen still won't turn off when on a call with the phone on my ear.
Both options disabled (no DTW and no TSS), still won't turn off.
What did work though, was to turn off screen once with the power button:
- I was in a call and the screen was on,
- turned off the screen using power button,
- I took the phone off my ear -> Screen on
- put the phone back on my ear -> Screen off
Maybe someone can make more sense of it.
trveller72 said:
Someone on the OP7T forum suggested it may be Tap the Screen to Show (let's call it TSS) feature.
I enabled DTW. This will trigger Ambient Display -> "Tap the Screen to Show" to be disabled.
Tried and the screen still won't turn off when on a call with the phone on my ear.
Both options disabled (no DTW and no TSS), still won't turn off.
What did work though, was to turn off screen once with the power button:
- I was in a call and the screen was on,
- turned off the screen using power button,
- I took the phone off my ear -> Screen on
- put the phone back on my ear -> Screen off
Maybe someone can make more sense of it.
Click to expand...
Click to collapse
I tried the above also same thing. I am tired of this BS. I am constantly pressing hold or dialing with my face unless I have the phone shoved in my ear. I almost didn't buy the 7t cause of this issue coming from the 6t with the same issue
Josh McGrath said:
I tried the above also same thing. I am tired of this BS. I am constantly pressing hold or dialing with my face unless I have the phone shoved in my ear. I almost didn't buy the 7t cause of this issue coming from the 6t with the same issue
Click to expand...
Click to collapse
Yeah, I am starting to remember good ol' days with the OPX. Every OTA was fixing one thing and breaking 3 other.
At that time I said no OP again, but still, this one seems to be be a good phone. Time will tell.
Coming back to our issue, I am puzzled that only a few people reported this.
Are you guys are on stock kernel or something custom?
I don't think I have this issue, but the sensor seems to function a bit differently from what I'm used to. When the phone is horizontal, covering the sensor does not turn off the display. But now do the motion of raising the phone to one's ear, and the display turns off. Just an observation, yet to experiment properly.
Does anyone know where the sensors are located on this phone? Is there a picture on the internet that points out the different sensors?
Edit: Yep. This one has a virtual sensor. It works differently.
roofrider said:
Are you guys are on stock kernel or something custom?
I don't think I have this issue, but the sensor seems to function a bit differently from what I'm used to. When the phone is horizontal, covering the sensor does not turn off the display. But now do the motion of raising the phone to one's ear, and the display turns off. Just an observation, yet to experiment properly.
Does anyone know where the sensors are located on this phone? Is there a picture on the internet that points out the different sensors?
Edit: Yep. This one has a virtual sensor. It works differently.
Click to expand...
Click to collapse
Not rooted, but using a custom dialer as the default Phone app (True Phone).
When I switched the default Phone app to Oneplus App, I could not reproduce the issue.
Testing for a few days to see if this works. Would be such a pity if the app is the problem because I really like it.
Also I just sent a log to OP support (they contacted me after I logged the issue on the feedback).
Yes, it is using the virtual sensor as you said (link in my previous post).
How does the virtual sensor work?
Sent from my [device_name] using XDA-Developers Legacy app
I couldn't find anything concrete on how this software-based proximity sensor, Elliptic Labs INNER BEAUTY, works. The keywords are: ultrasound, sensor fusion, and machine learning. A hardware-software I guess.
The 7T does have an IR sensor under the display, but I think this is only used for DT2W and Tap to Show to prevent the display from accidentally turning on when the phone is in the pocket and so on. Not for calls.
Fully Unmodified phone - same issue here. Phone regularly turns on airplane mode while I’m on a call cause it is registering face touches. Screen regularly flickers while on calls as if rapidly moving away from my face....
This was not a problem on my 3t a while ago and the issue is driving me to switch phones alongside some software instability (random lag and keyboard jitter) (animation issues after launcher swap) (soft-lock on navbar or gestures but not a play store replacement)I usually fix by rom swapping on one plus phones andddddd twrp is dead (for now) and no ones working on a valid replacement.
Will be keeping this phone in hopes of twrp eventual return, but need that stability
igotlostintampa said:
Fully Unmodified phone - same issue here. Phone regularly turns on airplane mode while I’m on a call cause it is registering face touches. Screen regularly flickers while on calls as if rapidly moving away from my face....
This was not a problem on my 3t a while ago and the issue is driving me to switch phones alongside some software instability (random lag and keyboard jitter) (animation issues after launcher swap) (soft-lock on navbar or gestures but not a play store replacement)I usually fix by rom swapping on one plus phones andddddd twrp is dead (for now) and no ones working on a valid replacement.
Will be keeping this phone in hopes of twrp eventual return, but need that stability
Click to expand...
Click to collapse
Twrp is out for the 7t. It's not flashable last I checked but it is bootable and usable for what I used it for which was a backup of stock rom

Always on display "flickering" when activated (on tap)

Hey everyone!
As the title say i'm facing a issue with my always on display.
I'll try to make it as simple as possible:
When I set the always on display to be always active it works flawlessly.
When I set the always on display to activate on tap (and last for 10 seconds according to the settings) it appears for roughly 3 seconds and then disappears for 3-4 and reappears flickering for 2-3 times sometimes showing the desktop wallpaper between each flicker.
Did anyone experience the same issue?
What I did to try and fix it was:
- tested both on battery and while charging
- factory reseted and then restored backup (which was stupid, that lead me to the second point)
- start in safe mode (to check whether it was an app causing troubles) but no such luck, problem still occurs.
- uninstalled "nice lock" apps
- changed some settings under the always on display tab
- cleared cache of the always on app
What you should know:
- I'm running android 9, not rooted and have nova launcher as default home
- After I factory reseted the phone I wanted to stop always on display from updating to test whether it was a new version issue but I forgot and didn't make it in time so I'm currently running the latest version
Does anyone have any idea as of why it's behaving like this?
edit: just wanna be a little more clear, flickering is not meant like a lightbulb it's more something like it turns off and back on after a delay (I'm sorry english is not my native language I can't really explain it any better)
Frans1897 said:
Hey everyone!
As the title say i'm facing a issue with my always on display.
I'll try to make it as simple as possible:
When I set the always on display to be always active it works flawlessly.
When I set the always on display to activate on tap (and last for 10 seconds according to the settings) it appears for roughly 3 seconds and then disappears for 3-4 and reappears flickering for 2-3 times sometimes showing the desktop wallpaper between each flicker.
Did anyone experience the same issue?
What I did to try and fix it was:
- tested both on battery and while charging
- factory reseted and then restored backup (which was stupid, that lead me to the second point)
- start in safe mode (to check whether it was an app causing troubles) but no such luck, problem still occurs.
- uninstalled "nice lock" apps
- changed some settings under the always on display tab
- cleared cache of the always on app
What you should know:
- I'm running android 9, not rooted and have nova launcher as default home
- After I factory reseted the phone I wanted to stop always on display from updating to test whether it was a new version issue but I forgot and didn't make it in time so I'm currently running the latest version
Does anyone have any idea as of why it's behaving like this?
edit: just wanna be a little more clear, flickering is not meant like a lightbulb it's more something like it turns off and back on after a delay (I'm sorry english is not my native language I can't really explain it any better)
Click to expand...
Click to collapse
i also experience the same.
this phone has many strange bugs.
when i restart my A70, tap to show always on display works for me for 2-3 times.
after 2-3 times working correctly, the bug starts.
after i tap the screen, it shows AOD for 2 seconds. then turns the screen off and then at the end of the 10th second, screen just flashes itself for the last time and turns off completely.
i think it is related to the fingerprint scanner.
because after i registered my fingerprints and turned on unlocking the screen by the FP reader, this bug ends.
after i tap the screen it shows both the clock and fingerprint icon at the bottom of the screen.
after 2 seconds fingerprint icon disappears. and the clock is continued to be shown until the end of 10th second.
but there is a minor issue, when the fingerprint icon disappears, the AOD screen brightness changes. dims or brighter slightly.
can you please try tap to show AOD, by enabling the fingerprint unlocking?
samsung ?
xprzs said:
i also experience the same.
this phone has many strange bugs.
when i restart my A70, tap to show always on display works for me for 2-3 times.
after 2-3 times working correctly, the bug starts.
after i tap the screen, it shows AOD for 2 seconds. then turns the screen off and then at the end of the 10th second, screen just flashes itself for the last time and turns off completely.
i think it is related to the fingerprint scanner.
because after i registered my fingerprints and turned on unlocking the screen by the FP reader, this bug ends.
after i tap the screen it shows both the clock and fingerprint icon at the bottom of the screen.
after 2 seconds fingerprint icon disappears. and the clock is continued to be shown until the end of 10th second.
but there is a minor issue, when the fingerprint icon disappears, the AOD screen brightness changes. dims or brighter slightly.
can you please try tap to show AOD, by enabling the fingerprint unlocking?
samsung ?
Click to expand...
Click to collapse
Hey! Thanks for the answer, I can confirm we have the exact same issue. I also have the same brightness issue you described
Anyway, I have always used fingerprint unlock though so I don't know what to answer you.. I only recently noticed the weird behavior. I did a couple things to test and I found out that enabling the "fingerprint" icon showing in the always on display seems to "fix" the issue of the flicker but not the one of the brightness change (after enabling it i've yet to see the problem occur), you should try it and let me know if you see any improvement. It's probably on samsung's end though and hopefully we get it fixed with android 10 or earlier
I'll take this chance to ask you another question; two weeks ago I received a software update and ever since that day I noticed my battery to be lasting waaaay less than it used to, did you update your phone as well? Did you notice a battery drain?
I have the issue both of you talking about.
hello, I had this same issue and what I did was turn the phone off, and booting it up while pressing "Volume Up", after entering a black screen with many options, I selected wipe cache. It has worked without a flaw since then. There's lots of bugs with this phone. I recently had a problem where the USB port will detect a device and "plugged and unplugged" it, making my phone unable to dim. Thankfully I was helpful.

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