Some Samsung Galaxy S20 Ultra units plagued by a green screen tint

15 April 2020
It appears to be a software bug, introduced with the latest OTA and related to certain apps, refresh rate and brightness settings.

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  • S
  • Steph
  • NRA
  • 24 Nov 2020

is there a way to fix the screen ?

    • M
    • Mayur
    • uu9
    • 23 Jul 2020

    observed the green screen starts due to proximity sensor. If anything obstructs.

      AnonD-754814, 20 Apr 2020Why do you keep talking about full BT.2020 coverage ? It'... more1. BT2020 defines pixels as well. Directly dependent on resolution (progressive pixels)
      2. Your argument that BT2020 supports only for UHD is pointless as it is mentioned that is is for 16:9 aspect ratio. UHD is defined only for 16:9. And just read the defintion of BT2020. I don't know why you are calling 21:9 4K as QHD+ or QHD. You just can't call it as QHD as in horizontal the pixels are already around 4K. Just read the definition of 4K. QHD (more like 3K) is not a type of 4K. Sony has 4K and not QHD.
      3. You want proof to see the pixels of S20 Ultra. Watch reviews in youtube and on the internet or just buy a phone and see yourself :)

      End Note: My whole point is resolution is important to support BT2020. You want proof?? You should ask urself why BT2020 defines only in 4K and 8K while not in other resolutions :).

        AnonD-754814, 20 Apr 2020Why do you keep talking about full BT.2020 coverage ? It'... more1. I'm tired of explaining you BT2020 defines pixels as well. Directly dependent on resolution aka pixels. If you're saying QHD display from sasmsung or other chinese mobiles can cover 10% or 5% BT2020. Prove it.
        2. Your argument that BT2020 supports only for UHD is pointless as it is mentioned that is is for 16:9 aspect ratio. UHD is defined only for 16:9. And just read the defintion of BT2020. I don't know why you are calling 21:9 4K as QHD+ or QHD. You just can't call it as QHD as in horizontal the pixels are already around 4K. Just read the definition of 4K. QHD (more like 3K) is not a type of 4K. Sony has 4K and not QHD.
        3. You want proof to see the pixels of S20 Ultra. Watch reviews in youtube and on the internet or just buy a phone and see yourself :)

        End Note: My whole point is resolution is important to support BT2020. You want proof?? You should ask yourself why BT2020 defines only in 4K and 8K while not in other resolutions :).

          • D
          • AnonD-754814
          • uNV
          • 20 Apr 2020

          Smithravi, 20 Apr 2020More pixels is one of the requirements. You should also con... moreWhy do you keep talking about full BT.2020 coverage ?
          It's a new color space. There is no display on Earth which can cover 100% of BT.2020 color space.
          Frankly speaking I don't know of any commercially sold display to cover more than 90% BT.2020.

          Well. These weren't our topic.
          You're just giving misinformation to keep your SONY at high ground.
          First you said you must need a 4k to do BT.2020, which was wrong.

          Then when I said Sony has a 1440*2880 display which is BT.2020.
          Now you're saying about PPI. Which is also wrong because color space doesn't really count PPI. They only care about resolution and how much accurate and wider color the pixels can produce altogether.

          You're just avoiding admitting that your claim was wrong and to do that you are bringing more false info.
          Also I'm saying again(for 3rd time), where did you find that Human EYE can SEE the pixel of GALAXY S20 ULTRA ?
          This is a para from Displaymate about S20 Ultra.
          --
          {The Galaxy S20 Ultra uses Sub-Pixel Rendering, which further improves image sharpness because the individual Red, Green and Blue Sub-Pixels are treated as independent addressable image elements and are not bound together into fixed Pixels, so the closest sub-pixel is used when rendering the image. In some cases Sub-Pixel Rendering can make the screen appear to have up to 3 times the resolution of traditional Pixel Rendering. As a result, for Smartphones it is absolutely pointless to further increase the display resolution and pixels per inch (ppi) up to 4K (3940x2160 pixels) for a silly marketing wild goose chase into the stratosphere, with no visual benefit for humans! }


          Actually you're just talking(lying) without giving any real source. This type of debate is endless. I don't have this much time. Sorry !

          For your info which is my final words,
          Most HDR display can cover respectable amount of BT.2020 color space measuring around 70%(give or take a few).
          So, don't say that Sony has the true BT.2020 display and others manufacturers don't because they use QHD+ display. Sony them-self has QHD BT.2020 display.

            AnonD-754814, 20 Apr 2020Well you're not providing any source about where It says 4k... moreRead my other comment as well.

            "Rec. 2020 defines two resolutions of 3840 × 2160 ("4K") and 7680 × 4320 ("8K").[1] These resolutions have an aspect ratio of 16:9 and use square pixels"

            1. There's no only in above statement.
            2. Even assuming only, it is for 16:9 aspect ratio and not for 21:9 :) For 21:9, you cant have UHD. Yet you get similar number of pixels for 21:9. Thus supporting BT2020. This is the reason PPI is also important.

            PS: I never asked you to read Wikepedia blindly. Check the references at the end for proofs.

              AnonD-754814, 20 Apr 2020Well , I kept this final card in my hand just to see how fu... moreMore pixels is one of the requirements. You should also consider PPI, HDR, contrast etc. Sony always has more ppi than other flagships. So it is possible XZ3 supports BT2020 colour space. Yet it doesn't need to cover 100%. Same goes to xperia 1. It has high ppi, more pixels, decent 10 bit hdr and so on... all these contribute to BT2020. I said 4K is must to convey one should have more pixels to cover different colour spaces. You simply can't cover with lower pixels.

              Also Remember Sony has different modes like creator mode and standard. Creator mode is equivalant to triluminous lcd display. It is pure Sony's. You can't expect same with other brands. In the end Sony devices are always great in terms of display.

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                • AnonD-754814
                • uNV
                • 20 Apr 2020

                Smithravi, 19 Apr 2020I'm not twisting anything. Just use wikepedia and there are... moreWell , I kept this final card in my hand just to see how further you can go by making things out of thin air.
                Well If under 4k isn't BT.2020 then

                Sony must be a LIAR !

                They said their Xperia XZ3 is BT.2020 .
                But it's 1440 x 2880 pixel. https://www.gsmarena.com/sony_xperia_xz3-9232.php

                Any last words ?

                  • D
                  • AnonD-754814
                  • uNV
                  • 20 Apr 2020

                  Smithravi, 19 Apr 2020I'm not twisting anything. Just use wikepedia and there are... moreWell you're not providing any source about where It says 4k is a must for BT.2020.
                  I gave you Samsung's monitor's example to tell you that Valuable brands don'e use Only K(4k, 2k, 5k... ...) as these are confusing.
                  I think you should know that you can't use wikipedia's info as a source. Still I'm not arguing about what 4k is. 4k isn't a standard for any display.

                  Now BT.2020 is defined on UHD. So, Your Xperia's 4k isn't UHD.
                  Don't talk about aspect ratio. Because Sony's display is 2 million pixel sort from being UHD. That's 25% pixel of UHD. That's a lot less pixel.

                  And Xperia 1/1(II) might have one of the best display. I'm not protesting against that. It's possible. But according to GSMARENA Galxy S10 plus has more accurate color than Xperia 1.

                  I have just only one problem with you.
                  You just said BT.2020 display must be 4k. Which isn't true.
                  BT.2020 is a color space. It's defined on UHD. But that doesn't mean display with lower resolution can't cover it.
                  If you want to get totally straight. Then know this.
                  BT.2020 supports only 2 resolutions. 3840*2160 and 7680*4320 . So, to be fully defined by BT.2020 the display must have one of these 2 resolutions.

                  Also I want to see some source about your claim that Human eyes can see Samsung S20 ultra's pixel.

                    AnonD-754814, 19 Apr 2020You're bending the definition of BT.2020 according to your ... moreI'm not twisting anything. Just use wikepedia and there are plenty of references where you can read in depth about it. To cover BT 2020 colour gamout u need minimum amount of pixels. QHD is not enough. If they are enough, ask samsung/ other chinese makers to cover BT2020 :). Sony did with 4K HDR (10 bit) dsiplay last year and going to do this year as well. Also the reason they are more colour accurate than any other flagships. It is unfortunate Sony doesn't get applaud like samsung or chinese makers get for silly things and all it gets are the comments like 4K is waste on small screen simply. That's exactly how a non tech guy sounds like.

                    Regarding your samsung monitor, 5k in one direction and 1400 in other direction means it uses 23:9 aspect ratio or something like that. As I said pixels are dependent on aspect ratio as well. In such case you would be able to cover more colours than normal QHD displays. UHD is only defined for 16:9 4K.

                    End Note: Forget about pixels and resolution (why?? read until last line). Point is Sony Xperia 1/1II are and will be top 2 in display quality compared to other flagships in all segments DCI-P3 or sRGB or BT2020 or any other colour gamout. And I'm talking about displays colours and not about refresh rates which has nothing to do with the display quality. When we talk about display, colours and colour accuracy are really important and that's how quality is measured. Even considering same resolution (answering my first line) and same panels manufactured by samsung and used in two different mobiles, display quality will be different depending on the software used like for example in HDR 10bit. Samsung and many chinese uses same QHD panels yet the quality is not same. (example recently released OP 8 Pro vs S20 Ultra :))

                      • D
                      • AnonD-754814
                      • 6p}
                      • 19 Apr 2020

                      Smithravi, 19 Apr 2020First thing first. BT2020 defines UHD only if it is 16:9 as... moreYou're bending the definition of BT.2020 according to your selfish need.
                      The definition clearly says UHD.
                      So, Why would I take your words ?
                      Samsung has a 49" CRG90 monitor which has 5120*1440 pixels. But they didn't market it as 5k display.
                      Like I said earlier, 4k is a confused word. Manufacturers/Brands don't usually use only 4k to advertise their product. So, while you saying 4k is the minimum for BT.2020 has to be illogical and wrong.

                      Any source you can include where It says 4k(which doesn't mean UHD) is a must for BT.2020

                        AnonD-754814, 19 Apr 2020Searching for comments on other discussion isn't easy. So... moreFirst thing first. BT2020 defines UHD only if it is 16:9 aspect ratio :). For a 21:9, you can't have UHD resolution, hence the Xperia 4K resolution (not UHD and Sony never advertised it is UHD even though it is a type of 4K) can cover 70% of BT 2020 and not 100%. It is true BT2020 but doesn't cover 100%. And again, Xperia covers higher sRGB as well, compared to other flagships. For this you don't need 4K, yet samsung or apple failed to reproduce. Maybe they have poor sofware. This is the reason I asked you to read my other comments.

                        When I said my other comment I meant the comments in this thread which I replied you yesterday. One of the comments is following.

                        "Actually there has been 3-4 page discussion on this topic under Xperia 1 II page. I clearly explained that why Xperia 1/ 1 II display is indeed 4K. I'll try to simply give it to you in brief lines.
                        1. UHD is one type of 4K which is 3840X2160p. There are other types of 4K as well, like true 4K or DCI 4K full frame (4096X2160p), DCI 4K (CinemaScope cropped) 4096X1716p, DCI 4K (flat cropped) 3996X2160p and many more..
                        2. Now you see you should consider aspect ratio here. For a 21:9 aspect ratio, you simply can't have any of above configuration type. If you want 2160p on vertical, you will end up with 5K in horizontal (then u should call it as 5K). And if you keep 3840 in horizontal, you will only able to get around 1700 in vertical. This is where sony mobiles are aimed at :). It is indeed a type of 4K on 21:9 aspect ratio.

                        So there your answer in simple lines.

                        And yes to cover BT2020. Resolution should be at least 4K."

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                          • AnonD-754814
                          • 6p}
                          • 19 Apr 2020

                          Smithravi, 18 Apr 2020Did you read my other comments ?? I just explained you 4K a... moreSearching for comments on other discussion isn't easy.
                          So, once again Let's assume you are right about 4k.

                          But do you really remember why we're talking about 4k ?
                          BT.2020 requirements.
                          BT.2020 are defined on UHD Tv resolution.
                          So, when you said 4k I thought you meant UHD, because 4k is normally used in place of UHD. Otherwise 4k is very confusing term. For example, many "4K" dash cams only support a resolution of 2880 × 2160 (4∶3). But they're marketed as 4k. Let's get to the main point.
                          BT.2020

                          According to your claim, to be BT.2020 standard the display must be UHD. And Xperia's display isn't UHD. Don't say you said 4k res, not UHD. BT.2020 is defined on UHD, not 4k.
                          So, according to your claim Sony Xperisa's display is not true BT.2020 display.

                            AnonD-754814, 18 Apr 2020Well ! Looks like we agree on many things. I haven't touc... moreDid you read my other comments ?? I just explained you 4K and their types. UHD is one type and not a standard for 4K. Please read my other comments. I answered your questions already.

                              • D
                              • AnonD-754814
                              • uNV
                              • 18 Apr 2020

                              Smithravi, 18 Apr 2020Of course, HDR needs good brightness and xperia indeed have... moreWell ! Looks like we agree on many things.
                              I haven't touched a Sony phone since XZ2 . So, can't say how good Xperia 1 display is practically. But theoretically it's definitely not the best out there.
                              You also dodged one of my important question.
                              You said, to be BT.2020 the display must have 4K+ resolution. But do you realize that both the Xperia 1 and 1(II) don't have 4k display. It's actually QHD+. So, Are you gonna take your words back about BT.2020 requirement ?

                              I don't know where did you find that a Human can see pixels from Samsung S20 ultra's display. I would like to see some source about your claim.
                              I couldn't see any pixel from my S7 and I didn't even see any individual pixel in my friends A5(16)'s FHD panel. And I have 15/20 vision.

                              EDIT: Sorry ! Your explanation about 4K is a waste. Let's not call it a 4k. 4k sounds stupid. actual word UHD.
                              Now to be UHD you need to have 3840*2160 which is equal to 8,294,400‬ pixels.
                              According to this Xperia doesn't have UHD display because it has only 6,312,960 pixels.
                              You might say this display will be able to show UHD movie without shrinking pixels. But it doesn't really make the display a UHD display.

                              In that case Huawei would have advertised their P40 pro's display as QHD display and reviewers also would mention it as QHD display.

                                Smithravi, 18 Apr 2020Actually there has been 3-4 page discussion on this topic u... more"Note that both Motorola and Sony chose to use a screen resolution of 2520×1080, rather than the CE resolution of 2560×1080, as defined in CTA-861. This leads to the device to have a "true" 21:9 (7:3) Aspect Ratio, rather than the normal CE Aspect ratio of 64:27. The Xperia 1 also has an odd Aspect Ratio of 320:137, and would have been able to meet 64:27 with a more even resolution of 3840×1620. Sony does not adhere to consumer standards, as with their Home Theater projectors that feature a 4096×2160 4K resolution, rather than the CE resolution of 3840×2160.[36] 4096×2160 is a resolution only relevant in digital cinema (DCI), where movie theater projectors feature this resolution with either letterboxed 4096×1716 or pillarboxed 3996×2160 content for "Scope" (2.39:1) and "Flat" (1.85:1) aspect ratios, respectively. The full panel aspect ratio of 256:135 is unfit for normal consumer content with a 16:9 container aspect ratio. "

                                  AnonD-754814, 18 Apr 2020Are you saying UHD is a must for showing BT.2020 ? Who tol... moreActually there has been 3-4 page discussion on this topic under Xperia 1 II page. I clearly explained that why Xperia 1/ 1 II display is indeed 4K. I'll try to simply give it to you in brief lines.
                                  1. UHD is one type of 4K which is 3840X2160p. There are other types of 4K as well, like true 4K or DCI 4K full frame (4096X2160p), DCI 4K (CinemaScope cropped) 4096X1716p, DCI 4K (flat cropped) 3996X2160p and many more..
                                  2. Now you see you should consider aspect ratio here. For a 21:9 aspect ratio, you simply can't have any of above configuration type. If you want 2160p on vertical, you will end up with 5K in horizontal (then u should call it as 5K). And if you keep 3840 in horizontal, you will only able to get around 1700 in vertical. This is where sony mobiles are aimed at :). It is indeed a type of 4K on 21:9 aspect ratio.

                                  So there your answer in simple lines.

                                  And yes to cover BT2020. Resolution should be at least 4K.

                                    AnonD-754814, 18 Apr 2020Just don't shout much about the HDR of SONY xperia 1. The... moreOf course, HDR needs good brightness and xperia indeed have average brightness levels (not far behind samsung or apple). And again who watches a movie/Videos in sun light?? Definitely not me. So the brigthness levels to watch a HDR content in nominal house lighting will be perfectly fine.

                                    This I agree. For the past 3-4 years, they are decent but not industry changing quality. Even though Nokia and Sony are the only mobiles to give you real life colours with no over saturation or with less AI tweaks. If you use their RAW images and use effects, they will be better than any other flagship including google pixels :)

                                    I actually read only non biased reviews. As I said for past 3-4 years Xperia indeed failed in all round performance especially in camera. But this year is going to be different and I believ them. Either coming with largest physical sensor or could be the Alpha hands (this time definetely they invloved more than previous years). Example: Photo Pro and 20 fps AE/AF. They also claim to have super AF and detauils in low light conditions. So let's see when real life units are out.

                                    Regarding Triluminous display or not. They inlcuded Creator's mode which covers 70% BT2020 equiavalnt to Triluminous display. Extendeding the traditional area of colour gamout the display can produce. Remember Xperia 1 covers sRGB greater than samsung or any other flaghsip as well as 70% BT2020 (thanks to 4K). So may be, they have thought it is equiavalnt to triluminous lol.

                                      Nick Tagataka, 18 Apr 20201. If you're referring to what I said in my original commen... moreLeaving the point 1 (we both agree that higher refresh rates has no effect on colour imporvement but instead it degrades the colour accuracy)

                                      2. Yes. You will notice the difference. Especially in terms of coulour reproduction and sharpness. Just use Xperia 1 for 2 weeks and get back to your old mobile.
                                      3. Xperia is first entertainment device and then little tweaks of Sony Alpha Professional Cameras. Also Xperia Pro is for full professionals (4K HDR display used as monitor to camera in real time and broadcast in real time but still under development )
                                      4. As I pointed out in 2. Just use X1 for sometime and then get back to your old mobiles. Then you tell me.

                                      Even if your turned off the vivid mode. Samsung still produces over staurated colours compared to Sony :) (I blame their software)

                                        AnonD-754814, 18 Apr 2020Sorry, I had to interfere. Can you please explain your la... moreIndeed you will notice the noticeable difference between QHD and 4K unlike 90Hz vs 120hz difference.

                                        As I said, 4K display can cover more colours (accurate colours) and more sharpness in the image/video. If you look at S20 Ultra, you can still see the pixels when u hold ur mobile near to you. Of course no one will do that but as I said you will only notice the difference if you actually used Xperia 1 :). Just like how a person can't distinguish difference between 60hz and 90hz in real life when used separately :)

                                        Just watch a movies in Xperia1 and then watch the same movie in other mobiles (any mobile). You will know what I'm talking.

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