Hello everyone.. You might have that problem where your phone's screen (probably a samsung phone) flickers and goes crazy in low brightness settings.. I've done a lot of searching about the problem or a possible solution. The only working solution I've encountered, which is a software one and requires root, is setting the brightness slider on the lowest point that doesn't cause flickering, then, applying a black overlay to lessen the brightness. I'm wondering about the brightness control mechanism... is it based on hardware and software mechanisms?(case1*) or based on hardware only? (Case2*) In case 2: at least we can adjust the minimum current the phone delivers to the display in order to disable brightness settings that cause flickering. In case 1: we would do as suggested in *case1, plus, we would let the software mechanism kick in to lower the brightness when the hardware mechanism is delivering the lowest amount of current that doesn't cause flickering. It's just an idea.. applying it might be as easy as changing some values in the phone os somewhere or flashing a custom kernel!. But finding that change is what i don't seem to have a clue about.. I have a SGS 5 mini duos.. but i think it doesn't matter as the problem presists in other models (S5, J7) I hope I'm posting in the right forum And i hope someone will figure out a better solution and thanks for reading
Up..
Display backlight is not working of a sudden even when i keep the brightness at max and second screen is working but the display is not working with good backlight ! I just took the phone from my pocket and what i seen is the display is dim ! Display is so dim even when the brightness is kept at full and i dont know how this happenned and someone tell me the way to solve this problem ! Screen is very dim even when i adjusted the brightness level at max and i even tried formatting phone but the issue remained same
Hi this also just happened to me. Image is working but no brightness in screen except some bright ess in top right corner. Phone overheated a couple kf times and shutdown after this initially happened and consumed 2 full batter chages in minutes. Now the heat and battery problem is gone but screen still dark. Any ideas
Hi guys!
I`m having the very same problem. Back light of the main screen is gone, and it doesn`t matter how I adjust it, it is always dark.
Have you guys solved your problem already? Any ideas?
Marcos
Having the same issue as of yesterday, been Googling possible reasons and it seems the 'backlight controller' has malfunctioned and the entire screen needs replacing (allegedly). Considering a new screen costs almost as much as the V10 itself on ebay these days I'm going to be trying to take mine apart to see if an easier fix is possible, it is more than likely there isn't, but I at least have to try. Let me know if any of you guys have any luck in repairing your phones
Revilo61 said:
Having the same issue as of yesterday, been Googling possible reasons and it seems the 'backlight controller' has malfunctioned and the entire screen needs replacing (allegedly). Considering a new screen costs almost as much as the V10 itself on ebay these days I'm going to be trying to take mine apart to see if an easier fix is possible, it is more than likely there isn't, but I at least have to try. Let me know if any of you guys have any luck in repairing your phones
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Update: Having replaced the screen with a new replacement screen, I am still having the same issue, indicating an issue with either the mainboard and/or the chipset. Can't really go much further with this it would seem so unfortunately I don't think the issue has any DIY fix...
Sorry guys... RIP my V10
phelanpw said:
Hi this also just happened to me. Image is working but no brightness in screen except some bright ess in top right corner. Phone overheated a couple kf times and shutdown after this initially happened and consumed 2 full batter chages in minutes. Now the heat and battery problem is gone but screen still dark. Any ideas
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I have Same problem,, Any solution ? please help me
My LG70 just did this for a few minutes
My LG70 just did this for a few minutes. Scared me to think my phone was dying. Restarted, still the same. While I was googling it, the screen came back on. Hope it stays that way. Really strange to take it out of my pocket and only have the screen lit in the upper right hand corner. I hope this wasn't a preview of things to come. Love this phone and want it to last!
Hello, recently i sent my phone to warranty because of serious screen burn in issues, they replaced my sceen, which had more light bleeding issues, but i wouldnt mind that, as the burn-ins were gone, but to my surprise, yesterday after about 3hrs of constant on screen texting in whatsapp, the burn-in started appearing on the new screen, i am seriously pissed off, i really like this phone overall with the features it offers and so on, but the quality control... Wtf LG.. I now have bought a phone which i should just send for warranty repairs after a period of time?
Just wanted to share my experience with you, i still have a gpad 8.3 thats is still rolling on the latest 7.1.1 and has no quality issues and a robust metal build whatsoever, but this is just annoying...
Im sorry to hear about your issues with g5. Its a great device, whats wrong with your screen? Light bleeding whad do this mean?
Gmobilize said:
...Just wanted to share my experience with you,..
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If you want to do something for us, try to use the search engine first until you start a new thread!
There are a lot of threads around here which has described screen ghosting on LG devices!!!
See here:
1.) (English) ->https://forum.xda-developers.com/lg-g5/help/lg-g5-screen-ghosting-burn-problem-t3545769
2.) (German) ->http://www.android-hilfe.de/thema/displayflecken-nach-langem-aktiv-sein.790992/page-3
3.) (English) ->https://forum.xda-developers.com/lg-g5/how-to/panel-vs-panel-series-t3480270
4.) (English) ->https://forum.xda-developers.com/tmobile-lg-v10/help/ghost-images-screen-image-retention-t3395732
5.) (English) ->https://forum.xda-developers.com/g4/help/screen-ghosting-lg-g4-t3451879
YOU are not alone!
non-toxic said:
If you want to do something for us, try to use the search engine first until you start a new thread!
There are a lot of threads around here which has described screen ghosting on LG devices!!!
See here:
1.) (English) ->https://forum.xda-developers.com/lg-g5/help/lg-g5-screen-ghosting-burn-problem-t3545769
2.) (German) ->http://www.android-hilfe.de/thema/displayflecken-nach-langem-aktiv-sein.790992/page-3
3.) (English) ->https://forum.xda-developers.com/lg-g5/how-to/panel-vs-panel-series-t3480270
4.) (English) ->https://forum.xda-developers.com/tmobile-lg-v10/help/ghost-images-screen-image-retention-t3395732
5.) (English) ->https://forum.xda-developers.com/g4/help/screen-ghosting-lg-g4-t3451879
YOU are not alone!
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Dont you think i am aware of this? How does it help me? I have wrote ot in threads before and i write it again, this one was about the same thing happening even after warranty repair, and the cause is a faulty panel, i am sharing my warranty experience, i dont really understand why would you post these links? How is this helpful?
i think it would be interesting for all of us to know the period when it started to happen for the first time and then when exactly after the replacement?
I for myself got the screen replaced about 2 month ago having the screen burn issue as well. Phone IME starts with 604. Since the replacement no issue for me so far..but i am not so sure if it the problem is solved with that and the screen burn in starts again after a while again......
Gmobilize said:
Dont you think i am aware of this? How does it help me? I have wrote ot in threads before and i write it again, this one was about the same thing happening even after warranty repair, and the cause is a faulty panel, i am sharing my warranty experience, i dont really understand why would you post these links? How is this helpful?
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aking007 said:
i think it would be interesting for all of us to know the period when it started to happen for the first time and then when exactly after the replacement?
I for myself got the screen replaced about 2 month ago having the screen burn issue as well. Phone IME starts with 604. Since the replacement no issue for me so far..but i am not so sure if it the problem is solved with that and the screen burn in starts again after a while again......
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Its indeed interesting as it really seems to not appear at the beginning, and once it shows up it starts to get more noticable over time, for example as i said, it occured after heavy using whats app for about 3hrs most of the time with auto brightness sometimes hitting the highest levels, right now i can notice the burn in, but its not at levels where it would become disturbing, ill see how it goes, if it progresses and so on..
Gmobilize said:
Dont you think i am aware of this?
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No, it was not visible for me reading your post, that you have get all informations about LG display issue.
Gmobilize said:
i don't really understand why would you post these links
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i want to be sure, that you can see, that this is no individual case!
Gmobilize said:
How is this helpful?
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If you had read all of my linked threads, you should know...
...many people has this problem with different LG devices...
... it was recognized at LG G5 phones produced between march and jun. 2016 (see serial number starting with 604 up to 606)...
... there seems to be a new display without ghosting but with a little more power consumption recognized since serial number 609...
... it makes no difference witch country code your device was! all displays could be affected!
...that some users have installed "sFilter BlueLight" app to prevent this issue!
...as some users reports,it is not granted, that this issue never returns on changed displays because it seems to be a general fault...
Maybe that all this informations does not help to solve YOUR problem, but this is a forum for questions and answers ant i thought, that this informations could be helpful to know. But as it looks like,it seems that this will be for other users only!
So if you feel disturbed of me, feel free to set me to first position in top of your ignore list!
and at least: see my signature at 3.!
non-toxic said:
No, it was not visible for me reading your post, that you have get all informations about LG display issue.
i want to be sure, that you can see, that this is no individual case!
WITH
If you had read all of my linked threads, you should know...
...many people has this problem with different LG devices...
... it was recognized at LG G5 phones produced between march and Jjund 2016 (see serial number starting with 604 up to 606)...
... there seems to be a new display without ghosting but with a little more power consumption recognized since serial number 609...
... it makes no difference witch country code your device was! all displays could be affected!
...that some users have installed "sFilter BlueLight" app to prevent this issue!
Maybe that all this informations does not help to solve YOUR problem, but this is a forum for questions and answers ant i thought, that this informations could be helpful to know. Maybe only for other ons only!
So if you feel disturbed of me, feel free to set me to first position in top of your ignore list!
Click to expand...
Click to collapse
Sorry, but to me the reply seemed non-friendly, as it would be addressed to a rookie user, who hasnt done his research, maybe im wrong about your post...
But overall, yes i have seen all those threads, and unfortunatley, as i have mentioned in some other LCD display threads, the app could basically be a temp fix for the issue, when its not at a disturbing level, as its a cause of a faulty panel.
At this point where my panel has been already replaced, i cant really keep track of its model.
Gmobilize said:
Sorry, but to me the reply seemed non-friendly, as it would be addressed to a rookie user, who hasnt done his research, maybe im wrong about your post...
But overall, yes i have seen all those threads, and unfortunatley, as i have mentioned in some other LCD display threads, the app could basically be a temp fix for the issue, when its not at a disturbing level, as its a cause of a faulty panel.
At this point where my panel has been already replaced, i cant really keep track of its model.
Click to expand...
Click to collapse
Okay so lets go through this together.
A burn-in only happens with amoleds as this is permanent. We have LCD panels so we have image retention which is non-permanent.
A LCD is a liquid crystal display. Means you have a certain state of the crystals. When you apply a voltage the crystals rearrange themselves and block light. This is why we need a background illumination. Anyway once you use it for a longer period with a semi-static or a static picture (like whatsapp typing bar, google maps info boxes, keyboards etc) the crystals start to shift in their relaxed form towards another state. Blue light is due to its short wavelength energy consuming -> high voltage applied -> faster image retention.
That's why blue light filters do work to some extent. (With cf lumen and root you can adjust to use less blue instead of having an overlay draining additional energy)
This liquid crystal thingie is dependent on a lot of different parameters, that's why some get it faster and some slower. My 1,5k$ thinkpad has the same issue with the navigation bar being a persisting image after 10h+ of browsing.
TLR
So this is actually not a warranty issue. LG also returned phones unrepaired as this is the negative side of a lcd and considered standard behaviour. Go for an AMOLED the next time as they can't suffer from this, but once you have image burn-in you will never get rid of it. So doesn't really make a difference.
https://en.wikipedia.org/wiki/Image_persistence (helpful for that burn in issue which a lot of people seem to get wrong)
Cheers
lolmensch said:
Okay so lets go through this together.
A burn-in only happens with amoleds as this is permanent. We have LCD panels so we have image retention which is non-permanent.
A LCD is a liquid crystal display. Means you have a certain state of the crystals. When you apply a voltage the crystals rearrange themselves and block light. This is why we need a background illumination. Anyway once you use it for a longer period with a semi-static or a static picture (like whatsapp typing bar, google maps info boxes, keyboards etc) the crystals start to shift in their relaxed form towards another state. Blue light is due to its short wavelength energy consuming -> high voltage applied -> faster image retention.
That's why blue light filters do work to some extent. (With cf lumen and root you can adjust to use less blue instead of having an overlay draining additional energy)
This liquid crystal thingie is dependent on a lot of different parameters, that's why some get it faster and some slower. My 1,5k$ thinkpad has the same issue with the navigation bar being a persisting image after 10h+ of browsing.
TLR
So this is actually not a warranty issue. LG also returned phones unrepaired as this is the negative side of a lcd and considered standard behaviour. Go for an AMOLED the next time as they can't suffer from this, but once you have image burn-in you will never get rid of it. So doesn't really make a difference.
https://en.wikipedia.org/wiki/Image_persistence (helpful for that burn in issue which a lot of people seem to get wrong)
Cheers
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Click to collapse
Thanks for the interesting article on LCD artifacts, however, i wanted to say some things:
As my for my first panel, that got replaced, image retention was pretty hard, as when the phone got warmer, it became really disturbing and barely usable as the keyboard and status bar started to ghost on grey background apps such as xda, the only way was to let it cool down and wait till everything disappears, as soon as i started using my phone a bit longer, the problem resurfaced very quick. So it clearly wasnt a normal reaction. Just to add, no CF.lumen like apps were able to help back then.
My current replaced panel is showing only minor signs of this, it becomes more apparent on longer usage times with the same elements and the ghosting is barely visible with not so intense usage, so i hope that this wont eventually get stronger as before. As it would seem to be a natural usage reaction, i still consider this an issue however, cause none of my previous LCD phone had anything like it, not even my LG Gpad 8.3. So im gonna try to apply warranty again if needed, as repair services seem to be pretty helpful in my country at least, as long as they have spare panels in stock.
And about amoled, i think ill pass that for a while, i have seen enough samsung demo units in stores have serious homescreen burn-ins.
With LG G5 the quality really seems to be an issue, yes there maybe lucky people with good units and so, but overall it is pretty disappointing, as feature and hardware wise i really love this device.
lol
I see the so called expert stopped responding like a retard. I had the same problem I just lgup and flashed stock all over again about 4 times and it started to show improvements. As of now I got rid of the burnt images on my lcd
Hey!
Is there a way to change the intensity of the system vibrations without root?
I didn't find a setting and usally there is a setting for stuff like that in Android.
I hope somebody can help me.
Greetings
I´m also interested
I´m Using the same device which is awesome.
And I´m also really intereset if this is possible.
When it comes to intensity the vibration feedback is really low. It´s also super short and when you have it in your pocket you almost dont realize at all. When it comes to a scenario when you´re walking you dont feel it at all
So to change this and make it more intense or just a bit longer. This would help a lot.