yashsingh1/xdaforums huggingface dataset:
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] buddy66:
I've just checked it with Gmail since it is also a Google application and you can notice the bleed when the lights in the room are turned on and I try to cover the top of the phone to see it. After turning the lights off, whole app is equally gray so in my opinion it is just an optical illusion. If I recall well the AMOLED displays use some kind of dimming (tinkering with the frequency) in order to reach a lower point of the brightness that is not noticeable for human eye. Probably this can be seen when covering a gray part of Google apps in a room that has another not so bright light source.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] corwin_amber:
I made a picture. It is showing a 5% gray test pic and supposed to be uniform. It is easy to see and I was kind of shocked when instantly noticing it the first time I was using it in the dark. Settings and many parts of the dark one UI are using grays in that range.

Anybody else? If it is rare, it will be worth pushing for an exchange.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] vwite:
I did the same test, I'm attaching a picture of my Note 10+ and the S20 Ultra side by side. Uniformity seems a lot better on the note 10+, however on white background the Note 10+ turns more red when I slightly tilt it while the S20 Ultra seems to shift colors a lot less and still white overall.

Still not sure if it's worth the hassle to return.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] corwin_amber:
Ok, the fact, that it looks very much like mine can be good and bad ?

Could you please check, if is different at 60Hz? For me, it is clearly different.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] vwite:
Oh wow, you're right! I set it to 60 hz and QHD+ and uniformity on the gray test got noticeable better, still some green on top right corner and around the punch hole but noticeable less. I love reaaally 120 hz during normal use though.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] corwin_amber:
Thanks for confirming, same here. I wonder, if this is something, that can be fixed in software... And if the rumoured 'dynamic refresh raze' update might change things.

Could please note people check their Ultras displays?
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] nasirshhb:
Same here with my s20 more visible at 12hz refresh rate with dark theme
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] corwin_amber:
Damn it, ok, then I really hope that it is fixable... Weird.

I am using smiled displays since Symbian Nokias, never had one, where I noticed it so much.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] vwite:
I remember all the Mate 20 Pros with LG screen had this issue buy way worse in some cases

https://www.google.com/search?q=mat...JtXpfSDsL9sQXomrbgDQ&rlz=1C1CHBF_enUS731US731

In some cases they were normal during the first days but the problem evolved until the display was unsusable in low light conditions, hope the same won't happen to our phone during the next weeks.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] 2015Ducatimulti:
yeah I don`t have this issue I did the screen test in Gmail and download the app that does all the different colors including gray, at the lowest brightness and at other levels of brightness at 120hz its all uniform.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] vwite:
Mine is most noticeable at around 35-40% brightness and with 120 hz but still noticeable with 60 hz while on the note 10+ I can't see any green at all at any level of brightness. I think it's a quality issue and variation of OLED screens but not sure if it would count as "defective". Samsung doesn't do exchanges so it would be a pain to return everything and recorder without the promotions and reservation/pre-order credits. Ugh not sure what to do yet.

EDIT: Btw I tested with gmail and didn't notice the green in the app since it's light gray but as soon as I drop down the notification panel (w/dark mode on) the green is immediately noticeable. It's only with very dark gray that lookd almost black which is what Samsung use for all their apps (settings, calculator, messages, etc.) when dark mode is on. I wish they used true black so pixels were completely off like with facebook messenger.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] corwin_amber:
I am also unsure what to do. I have to say, however, that this is the device that gives me the most uncertainty ever. For this opportunity price I want a good to perfect display. [MENTION=8257663]vwite[/MENTION] Don't you think that the dark grays are too bright as well? It wouldn't be so visible otherwhise. I also sent my picture to the 'write the CEO' address and a pledge to be aware of the issue:

https://www.samsung.com/uk/info/contactus/email-the-ceo/ (example: UK)

I will try checking in a store, which will be totally hard because of the light there. Maybe I will just order another one... Or a plus ?
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] corwin_amber:
Made another picture 'for the CEO' :silly: and will also attach the source image I showed on screen. To replicate:

- 25% brightness

- Show 5% picture in a dark room

- made picture with an S10+ on full auto
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] vwite:
Thanks! Please let me know what they say.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] corwin_amber:
Actually I ordered an S20+ now and will most likely just give the Ultra back in the first 2 weeks. Yes, it is a pain, but I really can not stand the screen as is. I am even putting it in its box before I have the plus and using my S10+ in the meantime - the green tint is driving me a little nuts.

I am having a hard time justifying the thickness and weight for a feature I hardly use (amazing zoom) while having an inferior main camera at the same time (focus issues).
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] tim84us:
i noticed this issue too on my 20+

it seems to be worse some days less bad other days

it also is very dependable on how much ambient light is around - eg is much more noticeable in dark rooms

and yes is an issue with Samsung dark mode that isn't true black but some dark greyish

other then this - all other colours look amazing = so not sure if the screen itself is defective

I do hope there will be a software update that will fix this or make it less visible
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] corwin_amber:
Ah, here you are again ;)

Yes, I am hoping the same - making dark more pure black would help somehow - but in any 'dark but not black' app it would be visible.

I will be getting an S20+ today (well, probably) and will check. I am leaning towards it now anyways because of weight and the superior camera for my usecase (family, close pics, moving targets). The zoom on the ultra is amazing, but I can live without it for a slimmer and more reliable main camera.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] :
I have the same exact problem, unfortunately. I live in Italy and I don't know if returning or repairing it is an option right now.

I just wish I knew if this is a widespread problem or not...

I really don't know what to do.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] hello00:
When did you guys buy your s20u? there should be build date. Mine is 3/20. No issues. Bought my phone last week.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] vwite:
Where do you find the build date? Ugh I guess this is what I get for pre-ordering. I wonder if the grant a free same day screen replacement in a ubreakifix store, would it be still water resistant or not likely if they open it?
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] hello00:
Install phone info Samsung from the store. it will tell you exactly the manufacture date.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] vwite:
What is your build date? You mentioned 03/20 which I understood as March 20th but it's not the 20th yet. My build date is 02/28/2020.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] hello00:
3/20 as in 3/2020. but to be more precise, it is March 12
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] sheik_yerbouti:
I have the same problem with my S20 regular. Indian Exynos version. Manufactured on 13th Feb in Vietnam. I got my first one replaced from the store, and the 2nd one has this as well, albeit less noticeable at first. Also, when I switch to light mode, the upper part of the screen is warmer than the lower half of the screen. Posted details here. Gonna get it replaced again tomorrow and see what happens.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] vwite:
let us know how it goes with the replacement!
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] 2015Ducatimulti:
I have the s20 ultra 512gb and I don`t have this issue and mine was made on 3/01/20.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] vwite:
Thanks! It's seem mostly the first ones made in February were affected
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] omarkhamas:
\

My dear brother, this is the nature of the amoled screens Every phone i purchased since the Galaxy S contains this tint in Varying degrees

My 20 u is made on February 17 and I think it as normal for me the , there is no screen that is free from green tint or unven or ununiformty But in varying auditing, or does not kproportions and even who says that the screen is perfect He often does not see it, is not interested in now how to check it
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] Keive:
My S20U 128GB 5G Exynos (bought from the Samsung site) has a very good screen. I did tons of tests the first day. I'm extremely sensitive to screen defects so I'd notice (My Galaxy Tab S6's were all terrible & I had to return those, but most would keep them).

That app claims mine was made on Feb. 4 - but it also says it was made in Korea when the actual box says Vietnam. So who knows.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] sheik_yerbouti:
Long story short, the store had limits on how many times they can replace a phone, so I had to escalate the issue with the official Samsung customer service and filed a QA report on the phone. A store engineer did a side-by-side comparison with a demo unit with a fresh OS install, and that phone had inconsistency too in showing that 5% grey image. They said they'll share the QA report with main CS team and get back to me by Monday on a replacement.

It concerns me that the media is talking more about the GPS fix issue and not this one, cos this is a bigger deal-breaker than a GPS fix issue. I believe that Samsung's QA on these models has been really bad, or that they let these slip by intentionally. They need to come out, acknowledge the issue and issue a new batch without this problem. Having a flawed flagship phone is simply unacceptable and we should never settle (lol) for anything lesser than perfect.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] omarkhamas:
60

The reality of the screen is very good at a frequency of 60 hertz but the strange thing is that it changes at a frequency of 120 hertz is not bad but different
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] sheik_yerbouti:
Not in my case. I notice the issue in 60 as well as 120 Hz. Resolution doesn't make a difference either.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] sheik_yerbouti:
I looked through the forums for the S9/10 & note 9/10 and this issue only came up one or twice. Compared to that, this many reports of this issue in S20s in a week is alarming.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] sheik_yerbouti:
That's what I'm working on, but I also want to find out if the issue is more widespread than it seems and to hopefully get more attention to it so that Samsung steps up its game.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] YonnyMestampo:
I just realized the app is the preinstalled calculator.

Can you confirm what brightness level is best to check the issue?
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] sheik_yerbouti:
About 25-40% is best. And check across all apps that have a grey dark mode theme.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] vwite:
Yeah it's the samsung one that comes pre-installed.

In the picture both are at 40% brightness. It's just as noticeable in any samsung app when dark mode is on (settings, calendar, dialer, messages, etc) You can also google "gray 5% uniformity test"
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] YonnyMestampo:
Great I just found this.

https://mega.nz/#!f4Ig2ASC!iu7UrrzLIK4sqiUoUO8JZ_C13Pz0euJqDY47lz-xYcs

Its a zip file with videos of different shades of grey.

And a black file as well. In that particular test no OLED panel should light up even at max brightness.

By the way the file weights a few KB.

I can attach the file here so you don't need to use an external link.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] Contris:
So I just had a new software update (ATCH), and I'm happy to say this issue now seems much less pronounced! Still a slight discoloration under specific conditions, but definitely a significant reduction.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] corwin_amber:
I can not confirm, that ATCH makes it any better. It did not with the Ultra and it did not with my two S20+ - trying one last, than giving up. This is a real killer for me, as I notice it on every gray BG.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] Contris:
I might a spoken too soon, as once I enable "blue light filter" the problem returns full strength. Though the update has made certain backgrounds true amoled black (such as in settings and dialer), which reduces the problem in these apps.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] corwin_amber:
OK, I see. So Samsung is aware of it but can do nothing to fix it (because, usually, nothing can be done with the 'unevenness' in an existing phone - it could, if, be calibrated in factory, but even that seems not too easy ;)
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] antonis29:
S20 ultra 128 GB exynos model ! this is unacceptable
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] vwite:
I'd be pretty happy with this lol
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] ZacaESP:
I have the same effec on my Exynos s20 ultra.

Where did you find that background image? In order to do the same experiment with the same image...
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] antonis29:
download the zip file ( it can be found in the previous page ) with some grey videos , use the built in video player ! In a dark environment and low brightness it's easy to tell ! Since i noticed that i keep on comparing the top half of the screen with the bottom , i honestly regret buying this phone it seems to be a widespread defect
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] ZacaESP:
Update your software. Samsung has already changed all backgrounds. Now they are mostly black for one reason...

---------- Post added at 06:59 PM ---------- Previous post was at 06:52 PM ----------

Yes, I have the same issue, but affects to most oled screens... Only can see with a 5% grey background. Rest of the colours are OK. We agree?
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] vwite:
Yeah samsung updated so their apps are full black because they probably realized it's a widespread issue but it's still a harware issue and will show the green in third party apps with dark mode such as reddit app
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] ZacaESP:
I have night mode on my s20, and I can´t appreciate this green tint on any app... Only if I view a 5% grey image.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] corwin_amber:
It is visible in many dark apps. Gmail, play Store, Signal... So it is not an issue you need to search.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] vwite:
Some people might be confusing not perfect uniformity (like the picture of Note 10 I posted on the first page) with the issue of greent tint, almost no phone with AMOLED has perfect uniformity on a 5% gray picture but that's not noticeable with normal use as the radioactive glowing green
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] antonis29:
this reminds me of the mate 20 screen problems ! It was widespread however more noticable , anyway for the time being i have contacted samsung they are talking about screen replacement , which means they have to tear down my new device ! I am not willing to accept that on the other hand getting a new device as a replacement does not mean that you will get a perfect screen without the green tint ! Why should we tolerate samsung's lack of quality control ? not to mention the much hyped camera module with autofocus problems ! I am disappointed that's all !
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] vwite:
Yeah it reminds me to the Mate 20 pro too, they never figured out exactly what it was? I remember there were theories about only LG, or that it was a special glue, etc.

Did samsung say they would replace the screen for free? Would they guarantee it'll continue to be IP68 after re-sealing? I think I'd take that
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] antonis29:
for the time being i've sent them an email with the picture i took above , attached after contacting samsung greece on the phone ! I am waiting for an official response on what to do , however if you get your screen replaced this means the techician has to take off the battery the motherboard the glue everrything in order to get access to the screen ! How is ip68 going to work after that ?
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] ZacaESP:
Men, I have not green screen problem on the apps you already mention, on my s20 ultra. Only on the calculator app, reddit app, calendar, 5% grey image... For example.

---------- Post added at 10:03 PM ---------- Previous post was at 10:01 PM ----------

If you replace your screen, the new one will have the same issue. I think... this is a general issue.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] omarkhamas:
I hated the amoled screens because of the uneven color or the green tent. This is my screen. It is good for me, but it has little uneven color but not green tent its 128 ex what do u think about it
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] antonis29:
that's green tint man ?
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] omarkhamas:
Yes, but it cannot be clearly see it during daily use
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] vwite:
[QUOTE

---------- Post added at 12:32 AM ---------- Previous post was at 12:30 AM ----------

[/COLOR]

It's disappointing they're trying to mask it instesd of making an official statement and offering a solution for people affected
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] corwin_amber:
On number 5 I can say that it is finally bearable. It was manufactured on the second of march. I did not check with the rest. I only opened them, handled them delicately and checked them. All were terrible.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] darkchmatak:
Few days ago I was thinking how much I don't miss my old Google (Samsung) galaxy nexus with green oled screen ... and then you post this ... god here we go again. I will just pass this year or get note 10
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] omarkhamas:
what do u mean plz
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] corwin_amber:
That the fifth device I tried is ok. That I do not know about the manufacturing date of the other devices, as I only briefly checked them.

As somebody in another thread said that devices manufactured march onwards might be better.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] omarkhamas:
can u post picture for your new one plz and if your device clear from green tent and uniform screen or just Acceptable for u

;)
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] ZacaESP:
I have already a Note 10 here. Not green tint, but not a good a good screen uniformity on grey color. Better my s20 screen in my opinion.

Here a image of my Note 10+:

https://drive.google.com/file/d/1ASukK5YuJCEkpvVDFUxwfS97oQdhqlUF/view?usp=sharing
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] MrPhilo:
This problem was on my Pixel 4 XL when I use the app Signal, it was mostly on the right hand side.

But the S20 Ultra I got seems great, only a tiny smudge on the bottom right. Got quite lucky!
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] omarkhamas:
There is no screen without problems, but in varying proportions, and at first and the other is a matter of conviction. Some screens are annoying to you, others accept it, my 20 u have good screen or acceptable to me no green tent but not good uniform to me coz i had note 10 plus wiht amazing screen so
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] antonis29:
so an update about the so called grin tint issue ! I gave my device to samsung authorized repair center and the technicians found it to be normal ! Samsung does not recognise this to be a flaw and since i am off the doa i can't get the device replaced or the screen fixed ! Guess what it is normal to have half of my screen somehow washed out ! Sorry this is at least disgraceful for samsung ! ! They didn't bother to replace the panel but i paid them 1400 € for a device with an apparent flaw ! Stay the **** away from samsung !!!

I attach the picture of the green tint in a dark environment and the official samsung ( greece ) respone on amoled uniformity
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] tonnytech:
I said I would never buy Samsung again due to there abysmal quality control over 12 years ago , think the last time I owned there device was the s2 with the famous pink tint on camera pictures with white backgrounds.

Anyhow fast forward to today and I can see nothing has changed , check this for green tint (note this is my second exchange) after my next (third) I will give up.

Have to say the green tint really hurts your eyes , dread going back to 60hz though if next one is like this.

All i have done here is zoom into grey part of a web site , picture taken with pixel 2 xl.

02.27.20 Manufacturing Date

Made In Vietnam

Exynos
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] YonnyMestampo:
What country did you buy from?
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] tonnytech:
Uk , to be honest i dont recall my first one having this issue ... it was pushing more towards blue which im fine with ... that first one was returned for a different issue though.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] antonis29:
that's awful ! Regarding my case i ordered a new screen to replace my existing ( which i will pay ) one but judging by the looks of yours , i am more than reluctant ! This is something like the gluegate on mate20 pro !
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] vwite:
lol wtf, apparently the exact same picture I uploaded to the OP went kind of viral yesterday in a lot of tech news websites such as gsmarena, samsmobile, android authority, phonearena, etc. (even russian and chinese websites) and YouTube videos unfortunately all of them have the wrong information.

In the picture I uploaded to the OP it's my SNAPDRAGON S20 Ultra on the left and my Note 10+ on the right, however all these websites were reporting that the picture was two S20 Ultras and that the one with the green tint was an exynos model while the one on the right was an snapdragon S20 and all of them were reporting it was a software issue that could be fixed with an update.
[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] corwin_amber:
Indeed. These Articles are as inaccurate as they could be:

They are talking about tint in apps - yes, because oneui has black now instead of dark and some apps have dark gray backgrouds / parts.

It has nothing to do with apps or exynos or firmware updates. They are just really spreading uninformed nonsense.

To test your display, do this:

- Get a 5% gray image

- display it fullscreen on the device

- set brightness to around 30% and check