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Strange flickering issue

Hi guys,
Last night after flashing a kernel my phone was stuck in boot loop..so I turned off the phone and connected to charge, morning I saw that whole night it was in loop.
Later fixed the loop issue, but now no matter which rom I am on the place where the icon dock is it flickers and has a shadow of Samsung logo I can relate this to the boot loop that caused burnt pixel.
If I keep brightness to the lowest it is not visible yet the moment wallpaper is a light colour and brightness is high it is visible, I want yo know your opinion is it a hardware issue or is it something that might go off with time ?
Regards
Arif
Sent from my GT-I9003 using xda app-developers app

Yes. This hw issus.
when in startup time (bootlooping time) the lcd brigtness is max. So you have it whole night, it is very high possibility of lcd burn mark.
hope it can gone by time.
Sent from my GT-I9003 using Tapatalk 2

The screen is a little damaged, it probably heated up with the max brightness and the same picture, it will go away with usage by itself.
There are many apps that can solve this, they change every pixel to many colors very fast.
It will self correct itself

Hey thanx both for your response ..so far it seems that I got lucky and the flickering issue is gone after some hours of usage and rest
I have seen these issue on laptops and we have ended in replacing the lcd for the customers, flickering in laptop happens due to backlight issue, I was afraid that if backlight is gone I am axed as here also we have backlight as it's an lcd..so I think it was an issue of over heating that had left that mark and when it cooled down it become normal !
Sent from my GT-I9003 using xda app-developers app

[Q] Battery gets hot, screen flickers and dies?

Hi,
I have a Galaxy Note Pro 12.2 and the battery gets really hot and then the screen starts flickering and eventually goes out. I was wondering if anyone else has had or heard of this issue?
Thank you, Snow

While doing what sort of activity at what brightness level? There is s flickering issue that isn't necessarily related to heat which is why I'm asking. .
Sent from my SM-P900 using Tapatalk

These things are rated save to use up to 80ºC, so unless it reaches near-melting temperatures, something else is probably wrong.
There are a couple of threads on screen flickering issues. Primarily concentrated issue on the WiFi and AT&T models.
It has also become a bit of a trend for people to say 'It gets really scalding hot', whilst it turns out to only be around 40ºC. That is not hot. That's normal for a device with a powerhouse CPU and no fans.
Use CPU-Z to get the actual battery temp. 25-45C is perfectly normal, 50-60C in heavy usage is also normal (Games, for instance).

This primarily happens when playing games or watching video's on it. It seems like the processor/battery gets hot and then all of a sudden the screen starts going crazy.

Enable developer options and disable hardware overlays within there. It has been said that this should fix the flickering in video playback.
Be aware that when you reboot the tablet you will have to disable hardware overlays again.
If you're rooted and have TWRP, clearing cache and dalvic will resolve the flickering for a period of time (days) without having to dive into developer options.

Snowleopard1900 said:
Hi,
I have a Galaxy Note Pro 12.2 and the battery gets really hot and then the screen starts flickering and eventually goes out. I was wondering if anyone else has had or heard of this issue?
Thank you, Snow
Click to expand...
Click to collapse
Hi , i was having the same problem and now the device is unable to turn on at all , please help me because there are no samsung service center near to me. :crying:

IbrahimGla said:
Hi , i was having the same problem and now the device is unable to turn on at all , please help me because there are no samsung service center near to me. :crying:
Click to expand...
Click to collapse
Hi IbrahimGla,
Once the hardware overlay issue was mentioned, I looked for instructions on how to turn hardware overlays off on the Galaxy tab (Which where hard to find). Here are the instructions and so far, it looks like it is working for me:
▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
To fix flickering in video:
Enable developer options in settings (go to about device and tap Build Number 7+ times).
In developer options, under hardware-accelerated rendering, check "turn off hardware overlays". You can also check "force GPU rendering", but I've found the former is all that's necessary.
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Hi Snowleopard,
Snowleopard1900 said:
Hi IbrahimGla,
Once the hardware overlay issue was mentioned, I looked for instructions on how to turn hardware overlays off on the Galaxy tab (Which where hard to find). Here are the instructions and so far, it looks like it is working for me:
▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
To fix flickering in video:
Enable developer options in settings (go to about device and tap Build Number 7+ times).
In developer options, under hardware-accelerated rendering, check "turn off hardware overlays". You can also check "force GPU rendering", but I've found the former is all that's necessary.
▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
Click to expand...
Click to collapse
Thanks for your reply , i did what u have mentioned in the begening of my problem and no thing has changed , now after a month from the first time where my screen starts flickring the device is not turning on it is like a device with no battery it just show me the battery charging when it's off.
do you advise me to buy a new battery and replace my note pro battery??
Thank you & sorry for my bad english

I am having a similar problem with my Note Pro. It ussualy starts when the battery is down to 60%. The screen starts flickering and then I get a message saying the SD card is corrupt or not formatted. Sometimes it locks up as well. Sometimes when I plug the charger in to tells me "charging is suspended due to high battery temp.". The device is warm but not extreamly hot. If I turn the device off and let it charge, once the battery charge comes up to 70% I can turn it back on and everything works fine. As long as I keep it charged to over 60 - 70% I never have a problem. I tried several different SD cards but that doesn't seem to be the problem.
I have contacted Samsung but the only response I have gotten from them is "have you done a factory reset?".
Not sure what to try next. Anyone have any suggestions?
Sent from my SAMSUNG-SGH-I467 using Tapatalk

Sorry I missed this, I am not on here very often, I am back because the Note 7 is coming out. I have never replaced the battery on mine, so I am not sure. Apparently replacing the battery has worked for some people. I ended up sending the Note Pro to Samsung 2 times under warranty and the problem was not fixed.
Finally I called their support back a 3rd time near the end of the warranty period and said: Listen, I have send this *** to your repair department 2 times already. I want one that actually works sent back to me. They sent me a Note Pro in an un-marked (maybe a re-furb box?) with some sort of bar code sticker on the back of it.
Since then, this different Note Pro has worked for the most part, but every so often it has minor issues with it getting hot and the battery loosing charge, but it is not as bad as the one I bought. I really think Samsung dropped the ball on that tablet and they are lucky I just got a Tab E.

Definitely not my experience with the Note Pro. Mine has been rock solid for 2 years now, I still rack up a minimum of 2 hours of screen on time per day 7 days a week, and quite often more than that.
Just an FYI that there has been threads posted about screen flickering and battery issues that document issues with the battery connection and how to resolve them (involves opening the back and resoldering the battery terminal). Definitely something that you'd think Samsung would do but doesn't always do it . .

My tablet had the same screen flickering and getting hot problem. I solved the issue by soldering the battery connector in the motherboard. If you look at post #10 of this thread you will see a very good photo posted by Beut of the tiny black connector that seems to be failing. Other users report that the white battery connector also causes problems. In my case it was the black one, I soldered it a month ago and the problem was resolved.

Screen issue with low brightness S7 - horizontal lines interference?

Hi,
When I have low brightness the screen the screen shows black horizontal lines as if it was like an interference.. (it's very visible on 0:27 in white background)
Do not know if its a hardware or software problem but when I increase the brightness the lines disappear.
video: https://drive.google.com/open?id=0B64u8H_erzPTc3d0bHRsR3BNUms
or https://youtu.be/8Z3xWsanVLQ
It's very annoying, anyone else experienced this?

I haven't had that issue with mine. Could be software or hardware. If you really wanna make sure just do a factory reset without restoring apps and if it comes back it's a hardware problem.

Hi, anyway to backup everything so I can test ?

I'm also having this exact problem and i only received the phone today.
Mine appears to happen more significantly straight after an unlock of the phone (from the lock screen) , it does not appear to happen as frequently when the brightness is turned up fully however.
I have factory reset the phone (without restoring ANYTHING from other accounts/backups) and this has not helped. What's interesting is this is happening during the phones initial installation/setup also.... so before I've even entered any account info , i lock the screen and then unlock and i'm presented with flickering horizontal lines which remain for about 10 seconds and then the screen eventually rights itself, so this proves that it is not a user data issue.
It's also worth noting that this does not happen every time i lock and unlock. I've tried removing expandable memory, with an without charge cable , with screen brightness set to auto and off auto , taking the sim out, auto rotation on and off and none have stopped the issue. I'm going to call my provider tomorrow to see if i can get a replacement , but if thought i'd add my 2 cents

sillymansam said:
I'm also having this exact problem and i only received the phone today.
Mine appears to happen more significantly straight after an unlock of the phone (from the lock screen) , it does not appear to happen as frequently when the brightness is turned up fully however.
I have factory reset the phone (without restoring ANYTHING from other accounts/backups) and this has not helped. What's interesting is this is happening during the phones initial installation/setup also.... so before I've even entered any account info , i lock the screen and then unlock and i'm presented with flickering horizontal lines which remain for about 10 seconds and then the screen eventually rights itself, so this proves that it is not a user data issue.
It's also worth noting that this does not happen every time i lock and unlock. I've tried removing expandable memory, with an without charge cable , with screen brightness set to auto and off auto , taking the sim out, auto rotation on and off and none have stopped the issue. I'm going to call my provider tomorrow to see if i can get a replacement , but if thought i'd add my 2 cents
Click to expand...
Click to collapse
Hi
yes occasionally it happens with lock screen... and yes with max brightness it seems not happen...
Everything on my phone works perfectly, I don't have any other issues common which are reported here but this it's so annoying :s
I think it's the auto britghtness service but I don't know how to disable it.
Can you test if in VSCO app when you change filter it happens too more strongly (like it happens to me)

borgez said:
Hi
yes occasionally it happens with lock screen... and yes with max brightness it seems not happen...
Everything on my phone works perfectly, I don't have any other issues common which are reported here but this it's so annoying :s
I think it's the auto britghtness service but I don't know how to disable it.
Can you test if in VSCO app when you change filter it happens too more strongly (like it happens to me)
Click to expand...
Click to collapse
I've always just disabled auto brightness using the check box labelled (auto) next to the brightness slider .....?
And I've downloaded that app and yes it's also happening when i change the filters.
I've just come off the phone with my provider (vodaphone) and ordered a replacement which is free, as i only got the phone today
I haven't found any similar threads for this same problem for the S7 specifically (at the time of writing this) , but there seems to be similar issues with some nexus devices too , which also use AMOLED screens so could just be that we're the unlucky ones and have faulty devices. If your's is in warranty i would get it replace

sillymansam said:
I've always just disabled auto brightness using the check box labelled (auto) next to the brightness slider .....?
And I've downloaded that app and yes it's also happening when i change the filters.
I've just come off the phone with my provider (vodaphone) and ordered a replacement which is free, as i only got the phone today
I haven't found any similar threads for this same problem for the S7 specifically (at the time of writing this) , but there seems to be similar issues with some nexus devices too , which also use AMOLED screens so could just be that we're the unlucky ones and have faulty devices. If your's is in warranty i would get it replace
Click to expand...
Click to collapse
the problem is that I 'm not already within 14 days and I did not want to be several days ( or weeks ) without S7.
How do I know if they give me a new one or try to fix this one ?
Can you show me the links with this similar problem on nexus?

what piece of hardware is faulty ?
what is for sure this is not a software issue. is it a problem of the screen or the integrated graphic chip ?

mar1b said:
what is for sure this is not a software issue. is it a problem of the screen or the integrated graphic chip ?
Click to expand...
Click to collapse
Hi it's integrated graphic chip, Samsung fix it and now I don't have the issue

Black Stripes on the Screen
Hi All,
I have started facing the same issue for the past couple of days. When I increase the brightness to the Fullest Maximum and Tick the Auto box, then the Black stripes on the screen disappears, but if I lower the brightness then they start appearing, the more I lower the brightness the thickness of the Stripes become heavier. Please help me someone on how to fix this issue. My phone barely one moth old. Samsung Galaxy S7 Edge.

hi did samsung change anything in the unit? how did they fix?thanks
---------- Post added at 01:05 PM ---------- Previous post was at 01:01 PM ----------
borgez said:
Hi it's integrated graphic chip, Samsung fix it and now I don't have the issue
Click to expand...
Click to collapse
hi,did samsung change anything in your unit?or just upgrade software?thanks

xdadeveloperian said:
Hi All,
I have started facing the same issue for the past couple of days. When I increase the brightness to the Fullest Maximum and Tick the Auto box, then the Black stripes on the screen disappears, but if I lower the brightness then they start appearing, the more I lower the brightness the thickness of the Stripes become heavier. Please help me someone on how to fix this issue. My phone barely one moth old. Samsung Galaxy S7 Edge.
Click to expand...
Click to collapse
Bad news matte, I had the same problem ... I had to put the phone under warranty and there was told they would have to change integrated graphic chip. Now the problem is gone for good

jep888 said:
hi did samsung change anything in the unit? how did they fix?thanks
---------- Post added at 01:05 PM ---------- Previous post was at 01:01 PM ----------
hi,did samsung change anything in your unit?or just upgrade software?thanks
Click to expand...
Click to collapse
Yes.. I had to put the phone under warranty and there was told they would have to change integrated graphic chip. Now the problem is gone for good

Hi there! Do they have to change the screen also or is the chipset something standalone? Just happened to me today...

xdadeveloperian said:
Hi All,
I have started facing the same issue for the past couple of days. When I increase the brightness to the Fullest Maximum and Tick the Auto box, then the Black stripes on the screen disappears, but if I lower the brightness then they start appearing, the more I lower the brightness the thickness of the Stripes become heavier. Please help me someone on how to fix this issue. My phone barely one moth old. Samsung Galaxy S7 Edge.
Click to expand...
Click to collapse
Hello,
It seems we have the same problem, I will proceed with warranty.
After a month of purchasing, the brightness sensor is failing, and the screen horizontal white lines. (Image 1)
drive.google.com/ open?id= 0B2Kw-KtTnhcSSGFraExIVEZ1Qzg
Then adjust the sensor to the maximum or minimum lines become smaller. (Image 2)
And finally if I expose the sensor in the sun or in this case to bright light (Figure 3) lines on the screen disappear.

sillymansam said:
I'm also having this exact problem and i only received the phone today.
Mine appears to happen more significantly straight after an unlock of the phone (from the lock screen) , it does not appear to happen as frequently when the brightness is turned up fully however.
I have factory reset the phone (without restoring ANYTHING from other accounts/backups) and this has not helped. What's interesting is this is happening during the phones initial installation/setup also.... so before I've even entered any account info , i lock the screen and then unlock and i'm presented with flickering horizontal lines which remain for about 10 seconds and then the screen eventually rights itself, so this proves that it is not a user data issue.
It's also worth noting that this does not happen every time i lock and unlock. I've tried removing expandable memory, with an without charge cable , with screen brightness set to auto and off auto , taking the sim out, auto rotation on and off and none have stopped the issue. I'm going to call my provider tomorrow to see if i can get a replacement , but if thought i'd add my 2 cents
Click to expand...
Click to collapse
may i know what model is your affected unit? is it s7 edge color black?

same issue here on my girlfriend's s7 edge from EE. im going now to ask for a replacement. i dont bother i have insurance but i'm still curious if it is the oled related problem or other component. in my opinion as technician it's a hardware related issue. I only think about i've never meet any software /os to have that issue ever. how can a software can do that if there are lines overthere specified for drawing certain things, the stripes/lines cannot come out of nowhere

First it was the dead pixels issue on the screen on the s7 n now the screen flickering lines on s7 edge n s7 ... These are not software bugs these are serious hardware issue very disappointing samsung shame even their gorilla glass is also a lie easily scratchable screen

Finally found a complete solution here.
Works like a charm.
techgadgyblog.wordpress.com

Yes, I have my phone 3 years and the screen has been getting more and more dim over the last few months. The bottom 7/8s of the screen is darker thsn the top 1/8.

[Fix] BLACK SCREEN OF DEATH

What is black screen of death??
Plz google it.
For those who are facing this issue.
I was also facing the black screen of death issue from past 3 months.
The only way to avoid it was through rebooting the device.
And by searching web others recomended to replace the flex cable.
Solution:- guys now i am not facing this issue by keeping the brightness greater than 5/10 (>5)percent.
I have tested this persnally for 10 days and i have not faced black screen of death till then.
But when i reduce the brightness to 0% i start experiencing the black screen of death.
I dont know properly what incresing brightness does.
Permant fix can also be done by increasing the minimum brightness value. (I dont know that hiw to do). May be devs can help here.
Those who are facing black screen of death keep your minimum brightness at or above 10% that will fix it.

Will try.

What ROM?

[email protected] said:
What is black screen of death??
Plz google it.
For those who are facing this issue.
I was also facing the black screen of death issue from past 3 months.
The only way to avoid it was through rebooting the device.
And by searching web others recomended to replace the flex cable.
Solution:- guys now i am not facing this issue by keeping the brightness greater than 5/10 (>5)percent.
I have tested this persnally for 10 days and i have not faced black screen of death till then.
But when i reduce the brightness to 0% i start experiencing the black screen of death.
I dont know properly what incresing brightness does.
Permant fix can also be done by increasing the minimum brightness value. (I dont know that hiw to do). May be devs can help here.
Those who are facing black screen of death keep your minimum brightness at or above 10% that will fix it.
Click to expand...
Click to collapse
I got the same problem with my nexus 5 too. After lowering down brightness to below half somewhere, the phone screen shuts off but the phone is still on and if i blindly drop down the status bar and increase the brightness by assuming the slider there, the screen again turns on
One thing to note that my screen does not have any dead pixels or display problem at all because I tested it. Also when the screen turns off the task that was carried out on the phone still stays i mean that when i play game at night and lower the brightness, then the screen turns off but i can hear the sound of the game running.
I have tried many roms but the problem still remains.

yanni18 said:
I got the same problem with my nexus 5 too. After lowering down brightness to below half somewhere, the phone screen shuts off but the phone is still on and if i blindly drop down the status bar and increase the brightness by assuming the slider there, the screen again turns on
One thing to note that my screen does not have any dead pixels or display problem at all because I tested it. Also when the screen turns off the task that was carried out on the phone still stays i mean that when i play game at night and lower the brightness, then the screen turns off but i can hear the sound of the game running.
I have tried many roms but the problem still remains.
Click to expand...
Click to collapse
Try changing the rom which has this issue fixed at around 10℅ brightness.
Bcoz above 50 ℅ is. Huge for battery drain.
I am currently on santosh m 7.1.1 15/12/16 build and i am not experiencing black screen at 10℅ brightness.
Since you play at night ( night modde will also help ).

[email protected] said:
Try changing the rom which has this issue fixed at around 10℅ brightness.
Bcoz above 50 ℅ is. Huge for battery drain.
I am currently on santosh m 7.1.1 15/12/16 build and i am not experiencing black screen at 10℅ brightness.
Since you play at night ( night modde will also help ).
Click to expand...
Click to collapse
I have tried Santosh ROM it's still there, but the thing is that this problem I am having was even on the latest stock ROM (till android 6.0.1 Dec).
I don't know why it happens.

Flickering Screen (Reboot, TWRP, Locking and Unlocking)

Hey Guys,
i have a weird issue with my OP6.
On low brightness my phone is heavily flickering if i restart. It's even happening while locking and unlocking the phone.
I've red some threads where people told it would be a hardware problem and they used warrenty and replaced their screens.
But hornestly i can't believe it's hardware sided.
Does anyone ele have this issue? And was able to solve it?
If necessary i upload a video.
I also went back to OOS 9.0.4 and beta 15.
Actually i use liquid rom (havoc also) and tried different kernels.
greets Earth

Mine just started doing this today but on high brightness. 1/3 of my screen at the bottom flickers and starts turning dark after a few minutes of usage. Did you get this figured out?

Bump

Disable DC Dimming.
It will solve your problem.
Please report this to the oneplus community.

lazye53 said:
Disable DC Dimming.
It will solve your problem.
Please report this to the oneplus community.
Click to expand...
Click to collapse
Doesn't fix my issue. It only happens when the phone is cold and it's only the bottom 1/3 of the screen.

I've had the flickering issue over the last few weeks... At first the screen was greyish down below, then it turned black, so i couldnt see anything in this area.
But i could manage to fix this issue, just by wiping cache in stock recovery.
Since then, everythings fine
OP6T