Screen problem ? Need help - Samsung Galaxy S8+ Questions & Answers

Hello. I would like to share my problem with you. I own a galaxy s8 +, like many of you)
And I was faced with this fact. When I put a dark or black background on the main screen of my smartphone, I get a visible light at the top of the screen. It can be seen clearly in a dark room. Below I will attach a screenshot. But that's the thing, this light is only visible on the main home screen. In the screen verification app, on a black background, I do not observe this problem.
I want to say that the light at the top of the screen is only observed on the main screen of the phone. When viewing images or elsewhere this is not observed
What can be wrong ??

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[Q] Lightbleeding across the top of the display

On my Nexus 5 I have a slight lightbleeding on the top of the screen. It goes all the cross the top. Have anyone seen this on their device?
The weird thing about it is, that it is almost invisible when the topbar is black, but very much visible when the topbar is e.g. blue, red, yellow, …
I'm not even sure what it is, maybe it is just a nocebo effect, I think it is there so it is and it is annoying the hell out of me.
I attached a photo of it, It was made next to a window with low backlight.
Light bleed

Major Screen Problems

Hey guys I've noticed a screen problem with my Samsung Galaxy S6. On my phone I can only detect it when using a black background/any image that is black. So I was swiping through my homescreen, and noticed a a color shift that would cover the sides of the icons. As I swiped back and forth through the different screens. I figured it was maybe the launcher I was using(I'm using nova launcher prime beta). So I switched back to the regular Samsung launcher and experienced the same problem. It's not a big deal but I think I'm going to get it replaced.
Sent From My Galaxy S6
Actually I think I have the same issue. It particularly shows when scrolling in apps with dark (black) elements which border to another dark - but not black - (e.g grey) element.
For example in the 'relay for reddit' app with the night OLED skin enabled. The usual list background is black, while already visited links have a greyish background. if you scroll through the list, you notice that color shifting. I just did a quick video to demonstrate the issue. It is very difficult to see there though .
https://youtu.be/MR-OrnFAgFE
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yellowish color in screen(white)

anybody have feel yellowish color on your mi4i in white contents like settings ,dialer...i compared mi4i display to the yu yureka display..i think it has slight yellowish tint..i dnt think its not actual white color.yu yureka display has slight bluish color...hows your display..is there any prob..or ask for replacement
Try switching to "Standard" or "Cool" in additional settings > contrast & colors > colors (it may be set to warm)
having the same problem ,compare to my REDMI 2 ,yellowish very obvious at the bottom part of the screen
Dull/Yellowish Strip at the lower bottom of the Display
I have noticed that the lower bottom (Just above to the navigation key) there is some dull color as compare to the rest of the display. I have installed some of screen/display testing apps on the phone and I notice that there is some issue with that. Has anyone else notice, It is not noticeable easily but with screen testing app you will notice the difference especially when the display is full white and bright. Also that part of the display make some different sound when you tap it with your finger like some kind of hollow thing but when you tap on the rest of the screen you will notice the sound feel like solid. Please let me know of someone has experience the same.[FONT=&quot][/FONT]
I m not facing this issue. My whole display looks same. Whole display have a little yellowish tilt. Due to to this black looks more dark.
candiesdoodle said:
Try switching to "Standard" or "Cool" in additional settings > contrast & colors > colors (it may be set to warm)
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This helped.
I also faced that problem and ask for replacement . now I am not facing this issue my whole screen is pure white.

[Completed] Gray Bar shows on top of Galaxy S7 screen when black wallpaper is applied

I have a Samsung Galaxy S7 and whenever I have a black wallpaper applied I get a gray bar on the top of my screen that only shows on the home screen, lock screen, and recent apps page. It is highly visible when the brightness is set to anything below 30-40% but fades away as brightness increases. It does not show up when I use a wallpaper of any other color, it does not show up in apps that have black wallpapers or games that have black backgrounds, and a factory reset has not resolved the issue. I am hoping someone could just tell me what is happening. Thank you for your time.
XDA Visitor said:
I have a Samsung Galaxy S7 and whenever I have a black wallpaper applied I get a gray bar on the top of my screen that only shows on the home screen, lock screen, and recent apps page. It is highly visible when the brightness is set to anything below 30-40% but fades away as brightness increases. It does not show up when I use a wallpaper of any other color, it does not show up in apps that have black wallpapers or games that have black backgrounds, and a factory reset has not resolved the issue. I am hoping someone could just tell me what is happening. Thank you for your time.
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Click to collapse
Hi,
Kindly register yourself at XDA and then you can post your query in http://forum.xda-developers.com/galaxy-s7/help
Experts there may be able to help you

grey lines at top of the screen with pure black wallpaper

So recently i started to notice that in my home screen (touchwiz or other launchers) at the top of the screen there is some grey lines it is best visible if i use a black wallpaper and set the brightness to the maximum. This doesn't show anywhere except on the home screen. I tried other wallpapers, and if i look at it in the gallery or turn on ultra power saving mode there is no grey lines.(my device is galaxy s6)
Does anyone know what it is? Or how to fix it?
(i hope you guys can understand me sry for my english)
So, if you switch to your pictures and images gallery, the lines disappear?
Did you drop your device on the floor or did it incurred any damages lately?
blazexhun said:
So recently i started to notice that in my home screen (touchwiz or other launchers) at the top of the screen there is some grey lines it is best visible if i use a black wallpaper and set the brightness to the maximum. This doesn't show anywhere except on the home screen. I tried other wallpapers, and if i look at it in the gallery or turn on ultra power saving mode there is no grey lines.(my device is galaxy s6)
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Click to collapse
It's a common issue. It's stupid Touchwiz/Samsung system which creates a small overlay at the top of Homescreens (any launchers) & lockscreens. In gallery etc, it's perfectly black since no overlay.
I don't think there is a fix. U can use a slightly greyish instead of full black wallpaper. It's not a big problem though
Oh i understand. Thank you for help. I was thought my phone has a problem.
Sometimes the grey lines can appear in Samsung mobiles if you use a bad launcher or a theme which is not compatible with the phone. You can try updating to a new version and see if fixes the problem, or use a light gray wallpaper as already suggested. Another couple of things to try... take a screenshot of your phone and test it on your laptop to see if the lines are still there. If not then it could be a problem with the screen itself. It's also worth restarting your phone in Safe Mode as this mode only runs with pre-installed apps. If you don't see the lines then an app could be your culprit

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