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S24 Ultra Display Problem [Grain Screen]

(Topic created on: 10-03-2024 02:31 PM)
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Furkan Ekici
Journeyman
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I did the test at 20-30 percent brightness and full brightness TEST VIDEO OF THE PROBLEM In this video, there is a grain problem between 17-25, but when I change the brightness, the grain changes from 17-25 to 20-25, the grain problem I see between 17-19 does not appear, for example, I took a screenshot at 19, I entered the gallery, the photo I looked at looked normal for 1 or 2 seconds, then it deteriorated again, when I change the picture, it gets better again and deteriorates again https://imgur.com/a/PemeZMd
The test at Eu Samsung looks the same in this video LINK 

 


https://www.youtube.com/watch?si=_B1Lyh08vqx4kMJO&v=N01z2IpXmZo&feature=youtu.be

https://www.youtube.com/watch?si=yj5XBDxQLCrL3TdC&v=xqcVeWI_TYw&feature=youtu.be

https://www.youtube.com/watch?si=L8VhKKvAe0DKaYzm&v=nuEG4zkvNeY&feature=youtu.be

In the video, there is a decrease in image quality, but it is still obvious, the screen opens pixels by itself, then graying starts, the background is black before the picture, there is a clean image, brightness is around 20-30 percent

https://youtu.be/PVY1IVZWBss?si=XrtoX2wDGO6n3vUj&t=85 this video should be black instead of the image as below

 

2rmFmZN.pngFCE2b2Z.pngFurkanEkici_0-1710074666107.pngFurkanEkici_1-1710074674776.pngFurkanEkici_3-1710074746043.pngFurkanEkici_4-1710074759456.pngjzvHqjy.pngMQFsByJ (1).pngn0Jscf9.png

 
 
13 REPLIES 13
Furkan Ekici
Journeyman
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in this video starting from 1 and going up to 25, try to see if there is a color change between 17 and 25, if there is no change, if the screen is smooth, can you send me a photo? https://www.youtube.com/watch?v=IM8aSFAOAkk 

FurkanEkici_0-1710114320151.jpeg

this picture is the same as my screen but I have a grain problem

you have shared this photo before, for example, this part looks like same , but I have a grain probl...

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Joeeye
Legend
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I keep my screen at 30% brightness, only at level 21+ and in a dark room is the background light shift noticeable. Yes it does present blotchy up to 25, but not really visible in a well lit room. On my S21 Ultra screen it's different, at level 18, there are clear horizontal lines across the screen (under same conditions, 30% brightness, dark room) which brighten up to 25. But like the S24 Ultra, not noticeable in a well lit room. These are inherent screen characteristics and don't really present any real issues.
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NYMM
Navigator
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I have the exact same issue was hoping a software update would sort it out but i guess not. Came across this post on reddit which clearly shows whats going on. https://www.google.com/url?sa=t&source=web&rct=j&opi=89978449&url=https://www.reddit.com/r/GalaxyS24...
Ashraf382
Student
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Okay let's break this down. I have 4 Samsung devices: J7 Pro (FHD Amoled), S9 (QHD Amoled), A52 (FHD Amoled) and S24+ (QHD Amoled). I go on the testmyscreen website, go on full screen and go on the darker grey gradient. 3 phones return a crisp and smooth grey gradient, 1 phone returns a complete mess of greys with lines and grains. This is done at full brightness, 50% brightness and 10% brightness. Same result every single time.
To me, that's not an "inheritent screen characteristic" but a defective display. Even the display unit at the shop showed a crisp and smooth grey gradient when I tried it there. So there is indeed a batch of phones out there that are defective, only Samsung will know how many there are. But please don't go around acting like this is normal.

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