Screen Brightness has gone very very low! - Galaxy S III Q&A, Help & Troubleshooting

my 4 month old S3 has started behaving strangely. The brightness automatically becomes so low that screen is unreadable even when in recovery. even after increasing to full brightness it is very difficult to read. the screen has a strange coloured hue. For a few minutes brightness becomes normal n then again goes south. Phone is rooted since the day i got it . No problems earlier. Tried changing roms,kernels no improvement. currently on XXEMC3!!! Is the screen damaged???? any advice. thanks.:crying::crying:

You need a service centre possible buy a new screen / digitiser if so see DIY posts on XDA .
jje

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[Q] Screen Flickering - Black lines?

so I returned my sgs2 today and got a new one (old one had scratches). Now it seems to me that there is some flickering with black lines (very faded) on certain brightess settings on mainly white sites using a browser.
I noticed the flickering appears around 16% - 19% brightness settings (using "brightness level" from the market).
This flickering only appears only if "auto adjust screen power" is NOT selected, same brightness with it activated shows no flickering.
Also last but not least if plugged in with USB cable the flickering stops as well.
Can anyone re-produce this flickering?
1. Download "brightness level" from market, go between 16% - 19% (try step by step), with me its strongest at 17%.
2. Ensure "auto adjust screen power" is deactivated under Settings>Display
3. Open Internet and just look at a mostly white page
4. Ensure USB is not connected.
Can you see some slight flickering? Lots of lines across the screen?
Wonder if its just me, might go back and return this one tomorrow then
I assume no one suffers from this issue?
Sent from my GT-I9100 using XDA App
No flickering.
I get black/dim horizontal lines flickering on the display at low brightness regardless of my "auto adjust screen power" setting. I'd describe it more as a shimmering of the screen. It's very distracting - I first noticed it whilst trying out the Kindle app and it made it very difficult reading the text.
I believe it's down to interference with some radio component of the phone. I've searched various forums and haven't come across many mentions of this so maybe it's a bad batch and I'm considering returning mine. It's frustratingly variable so I hope I can demonstrate the fault in store...
I'm wondering if the increase in brightness just masks the effect rather than eliminating it. At lower brightness settings, any local differences in brightness are going to be more noticeable.
MarketMonk said:
I get black/dim horizontal lines flickering on the display at low brightness regardless of my "auto adjust screen power" setting. I'd describe it more as a shimmering of the screen. It's very distracting - I first noticed it whilst trying out the Kindle app and it made it very difficult reading the text.
I believe it's down to interference with some radio component of the phone. I've searched various forums and haven't come across many mentions of this so maybe it's a bad batch and I'm considering returning mine. It's frustratingly variable so I hope I can demonstrate the fault in store...
I'm wondering if the increase in brightness just masks the effect rather than eliminating it. At lower brightness settings, any local difference in brightness are going to be more noticeable.
Click to expand...
Click to collapse
have you noticed any change at certain battery levels?? Like if the battery was at 90% its easily noticeable, once its like below 70% I'm not able to re-produce it, no matter what I try down to 0%.
So maybe since it seems to be only from 90% - 70%, it could be to do with the current/voltage at certain brightness levels with white background...very unique problem it seems..I'm thinking of going to the o2 store but I most likely wont be able to re-produce it then and there so will they still exchange it? hmmm lets see..
Locster126 said:
have you noticed any change at certain battery levels?? Like if the battery was at 90% its easily noticeable, once its like below 70% I'm not able to re-produce it, no matter what I try down to 0%.
So maybe since it seems to be only from 90% - 70%, it could be to do with the current/voltage at certain brightness levels with white background...very unique problem it seems..I'm thinking of going to the o2 store but I most likely wont be able to re-produce it then and there so will they still exchange it? hmmm lets see..
Click to expand...
Click to collapse
I'll note down what the battery power levels are over the next week or so.
I went into the O2 store after work and reproducing the effect was indeed difficult. I had it showing the effect in the shopping centre whilst sitting down at a bench. I had it showing the effect whilst in the queue to wait for an O2 staff member. Fifteen minutes later, once I'd got to talking to the staff, it worked fine. All I could do was explain the problem and ask if anyone else had reported it. They advised I "kept an eye on it over the next couple of weeks".
Really frustrating. I'd entertain the possibility that my eyes are faulty but I've shown the effect to someone else and they agreed it was distracting.
MarketMonk said:
I'll note down what the battery power levels are over the next week or so.
I went into the O2 store after work and reproducing the effect was indeed difficult. I had it showing the effect in the shopping centre whilst sitting down at a bench. I had it showing the effect whilst in the queue to wait for an O2 staff member. Fifteen minutes later, once I'd got to talking to the staff, it worked fine. All I could do was explain the problem and ask if anyone else had reported it. They advised I "kept an eye on it over the next couple of weeks".
Really frustrating. I'd entertain the possibility that my eyes are faulty but I've shown the effect to someone else and they agreed it was distracting.
Click to expand...
Click to collapse
Yea same here. Had the manager refuse to exchange it today as i already excjanged one phone...couldnt reproduce it then and there but on on the way there i managed it..o2 sucks
Sent from my GT-I9100 using Tapatalk
Locster126 said:
Can you see some slight flickering? Lots of lines across the screen?
Wonder if its just me, might go back and return this one tomorrow then
Click to expand...
Click to collapse
Hi,
I was not able to reproduce it using your directions, but I have to say that I also noticed horizontal lines flickering on white.
I tried to reproduce it but I can't find out what it is related to.
So it's doig it just in random fashion
blade75 said:
Hi,
I was not able to reproduce it using your directions, but I have to say that I also noticed horizontal lines flickering on white.
I tried to reproduce it but I can't find out what it is related to.
So it's doig it just in random fashion
Click to expand...
Click to collapse
does it flicker with auto brightness on? You might want to download an app like "brightness level" and set it to different settings to see when/where it flickers...mine usually flickered at 17% screenbrightness when battery was at 70 - 90%
Locster126 said:
does it flicker with auto brightness on? You might want to download an app like "brightness level" and set it to different settings to see when/where it flickers...mine usually flickered at 17% screenbrightness when battery was at 70 - 90%
Click to expand...
Click to collapse
Yes I did download it and followed yur directions to try to repruce it. But I could not. I set then brightness to various level from 100% down to 0, but no luck. I have to try now when battery is at that level. Then it could be some kind of intereference. Lines I noticed on mine are very subtle and close about 1 mm
Ok, confirmed: 92% battery, brightness 17% on white or close to white screen color, there are horizontal lines like some itnerefernce/noise. Annoying
Samsung galaxy S2 screen flickering
I also have the same screen flickering problem.
it happens when the battery level is around 87-91%
Any soulution?
same here
black lines around text on white background. It disappears after a while, but is really annoying. I suppose the only solution is to change the phone?
sorry guys to hear u got the same problem....I never found a resolution to it apart from returning it to the store....once I managed to reproduce the issue infront of the manager he swapped the phone straight away.
If you got the same issue make sure you get to the store with the battery level and brightness level that shows it up, ask to go into a dark area to show it properly.
First o2 store I went to the guy refused to look at it properly and as it was light outside he couldnt see it anyways. Second o2 store I went to, the manager went downstairs with me and turned off the lights to see the flickering because it shows only on low brightness so make sure you take that into consideration when in a bright/well-lit store.
i have the same problem, it, but it only appears when "auto adjust screen power" is on. Its really a shame! Only way to fix it is to change the phone?
same here. flickers at low brightness with battery under 90%. called samsung hotline. the problem was new to them and the only idea they had was resetting the phone. tried it but unsurprisingly its no help. galaxy s2 could be great but it has just too many annoying hardware flaws
Same problem
Well I noticed this on my SGS 1 !! ... when I have PACKET DATA turned on this flickering starts. It starts really hard when i have this function turned on, but when i disable it there's nothing...
Noticed same problem on SG2 bought in Sweden
Realise this is an older topic but i have recently noticed this issue in low light with Auto On. Battery level at 85 percent. For those that had their phones replaced did the issue continue? Has anyone seen this with the yellow tint also?
Noticing this issue as well on Villain ROM 2.4. Auto brightness enabled and 90% battery.
*Edit* Just did a CWM restore to stock rooted and the flickering seems to have gone. 85% battery, auto brightness enabled.
phone swapped... problem kept
i got my phone replaced 2 months ago and was very happy with the new one since it had no screen flicker... until now. so my current sgs 2 now also suffers from screen flicker and my only options are to send it to samsung and hope to get a replacement or to live with it. and since im beginning to think that this might be a general problem i tend to keep it. although i have to admit that i dont like my sgs2 as much as i did before...

[Q] So is every one living with the auto brightness issue?

Hi it's a well know issue already and I think all the S6E has this issue. My phone does this too when the auto brightness is turned off and I move from a bright place to a dark room the screen dims it self which can be quite frustrating as you can't turn use the full brightness at all in a dark room. Though it's been discussed in many threads already I did not see any one commenting in it in a last couple of days. So just wondering if every one is just living with it? My phone is just a week old and here in india there is no policy for returning the phone so I will have to take it to the service center or wait for some fix

Main screen display is very Dim even when the brightness is adjusted to max

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
Click to expand...
Click to collapse
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
Click to expand...
Click to collapse
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!

HTC m8 screen flickering

I wake up today picked my phone and it was like that ( screen flicker / shake a bit from the top , much noticeable on white color ) I thought if I restart it might fix but didn't help . the flickering was also on when booting . when I first unlock the phone the shaking was on the whole screen but then after unlocking it disappeared and stayed on the top side like 20% of the display also it's less on the black color . didn't try to wipe or anything as I thought it won't do good so what is that actually ? and is there anyway to fix or maybe prevent it from spreading to the rest of the screen ? that is hardware issue right ?
Images : http://imgur.com/7V2uoG9
http://imgur.com/Aeid8JE
http://imgur.com/7q9kAaf
bump

Screen Overlay

Is anyone else noticing that you can see ghost images behind every screen?
Is there a fix for this?
TIA
Sent from my LG-H901 using Tapatalk
It is called screen burn, there is a thread dedicated to this problem. Search for screen burn on this forum!
I'll check that out but how could it happen and this is the 3rd one I've had and they all did it. That's why i assumed it had something to do with the screen overlay.
Sent from my LG-H901 using Tapatalk
linsalata28 said:
I'll check that out but how could it happen and this is the 3rd one I've had and they all did it. That's why i assumed it had something to do with the screen overlay.
Sent from my LG-H901 using Tapatalk
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Click to collapse
life is this with V10, all have the same issue...mine only have 9 months since i buy it and have ghost images since 2 months from today and no solution...the only solution is send it to LG Repair Center and they change it, but mine lose the guarantee when i unlocked the bootloader so...i will not buy the screen since this is a known problem with V10 display.
better keep it going cool and avoid high levels of brightness only when is needed and avoid playing games since that warm up the phone and the screen will show ghost images. Then when it happens lock your phone, shut down the screen for 3/4 minutes and the ghost is gone...you need to do it everytime you see a ghost image and have trouble with them.
i dont bother with that...i love the phone anyway, when the screen die by itself i change it for another, but now let it rock even with ghost images.
Sofwtare side has nothing (mod or app) that can fix your problem...its the display problem (hardware).
Mine has heavy permanent ghosting that appears after minutes of use when the phone has rested overnight. Though I can prevent any ghosting from becoming visible by installing "Bluelight Filter for Eye Care" and set the filter to the black color with an opacity of just 3% (hardly even affects the maximum brightness). Stopping the display from showing the whitest of colors prevents the ghosting to apperar no matter how high brightness you have or for how long. At least on my unit. So now my screen is permanently perfect instead.
dannejanne said:
Mine has heavy permanent ghosting that appears after minutes of use when the phone has rested overnight. Though I can prevent any ghosting from becoming visible by installing "Bluelight Filter for Eye Care" and set the filter to the black color with an opacity of just 3% (hardly even affects the maximum brightness). Stopping the display from showing the whitest of colors prevents the ghosting to apperar no matter how high brightness you have or for how long. At least on my unit. So now my screen is permanently perfect instead.
Click to expand...
Click to collapse
Thank you. I'll give that a try. Mine isn't that bad and sometimes doesn't show at all.
sun_is_shinning said:
life is this with V10, all have the same issue...mine only have 9 months since i buy it and have ghost images since 2 months from today and no solution...the only solution is send it to LG Repair Center and they change it, but mine lose the guarantee when i unlocked the bootloader so...i will not buy the screen since this is a known problem with V10 display.
better keep it going cool and avoid high levels of brightness only when is needed and avoid playing games since that warm up the phone and the screen will show ghost images. Then when it happens lock your phone, shut down the screen for 3/4 minutes and the ghost is gone...you need to do it everytime you see a ghost image and have trouble with them.
i dont bother with that...i love the phone anyway, when the screen die by itself i change it for another, but now let it rock even with ghost images.
Sofwtare side has nothing (mod or app) that can fix your problem...its the display problem (hardware).
Click to expand...
Click to collapse
I had just did a factory reset and it's actually gone this time. I'm sure it will come back though.
I've been using v10 for a year now this image retention/ ghosting is really annoying but there's actually a solution to it by using screen filter.
if you apply the filter as soon as you turn on your phone after a while, when there are no temporary burns on screen. They won't come back if you keep the filter on.
I use blue light filter but I'm sure every filter will work even if you keep the filter at low opacity for example at 20%, it'll still work.
Give it a try.
and one more thing if the filter is on you might get an error while giving permissions to apps. so you have to turn off the filter when you get "screen overlay detected" error.

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