I do hope you got my emails, I never got a reply so I can only ask
Can somebody who is NOT using FPOS chime in whether this issue also exists on other OSes, or if itās a fpos thing?
Edit: maybe I should switch to Lineage aready
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Iāve got CalyxOS installed and I donāt have this issue, atleast on the latest version. I do remember noticing it, but now iām looking for it and I dont see it.
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An update from Fairphone Support with my reply below:
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Dear Srootus,
Thank you for your message and your patience.
The software team are still working hard to identify the root cause of this issue but there arenāt any updates as of yet.
That being said, we can try to change the display to see if this resolves the issue. We cannot guarantee that it will resolve the issue, but it will still help with the investigation.
If you are interested, please let me know.
Look forward to hearing from you.
Kind Regards,
Kalam
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My reply is as follows:
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Hello, thanks for your reply, and thank you for the offer.
However I strongly believe this is a software issue, when booting into the AOSP fastboot menu or before the fairphone boot logo appears (the 4 spinning dots, to the blue Fairphone boot screen) the OLED screen behaves normally, it only has the behaviour henceforth.
I have also heard from the community thread I began that according to someone not running stock software, they do not have this issue, see post 82 and 83 of this thread: {link to this thread}
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Implying they have been hard at work actively troubleshooting this.
Whichā¦ I doubt.
Kind of a nothing burger. But itās nice of them they offered a sceeen replacement.
Iāll open a bottle and celebrate, when they push an update that fixes this.
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Update: Fairphone have decided to send me a replacement display, I told them that Iām almost confident that it isnāt a hardware issue, alas they wanted to send me on anyway just in case, I will let everyone know the outcome of this.
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The standard when they are out of ideasā¦ Wondering how much hardware is wasted by this approachā¦
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Strange, that the support team doesnāt know itās a common issue, while the software team seems to have given up on it altogether by just killing AoDā¦ Sad!
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hmā¦ a way to source free replacement screens? 
My screen replacement came today, Iāve just fitted it in, Iāll let you people and fairphone know tonight if thereās any improvement
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The results are in, and its a mixed bag. The behaviour of light being shown is still present post FP bootlogo but it doesnāt seem to be as much, only centering around the camera, the bottom area of the screen seems to be behaving pretty normally, maybe FPOS has seme sort of anti burn-in feature thatās causing this?
I really need to see a non stock OSās view on this, reply 83 says there isnāt any light bleed and i do believe them, only thing I can think of trying is flashing a custom ROM onto a FP5 to see if there is truly 1,000% a FPOS issue, thing is thatās something Iām not very experienced with, Iāve tried and failed to flash lineage on an S10e. Maybe one day Iāll give it a go, but honestly Iām sorry but im just not comfortable with doing that currently, especially for something somewhat minor, maybe years down the line when the support for this device is finished.
Iāll let FP support know about this update. If they request the screen back or my old oneIāll gladly send them. Iām sorry this isnāt the solution some are patiently waiting for.
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Honestly, this is exactly the outcome I expected. Iām sad, but not surprised.
Iām in the same boat as you. I sooo want to test other roms. But itās just too big of a risk, and Iām not confident in my skills to do it.
Honestly, itās just plain sad that you as the customer now have to be sitting here and consider ways how to replicate and research the problem. This should not be your responsibility, and I have no idea why FP isnāt able to either do a test like that in no time, or to be more transparent about their findings if they have them already.
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Iām still convinced that this has something to do with HDR. If I start an HDR YouTube video, or a file through VLC, the entire screen alltogether dims. And itās a funny way to spot hdr content on the Fairphone. The brightness of the video will be simply not enough even at max screen brightness.
And it also draaaaasticly reduces the glowing blacks of the screen. But if your eyes adjust to the darkness, and you squint hard enough, you will see it still glowing ever so faintly.
A minor side tangent, but the FP5ās color accuracy and general vibrance of the screen has always been pretty subpar in my opinion. My work issued dinky little Galaxy A series had a ten times more vibrant and rich amoled screen. My old blackshark 2 is also just a hint more vibrant, and due to itās correct black levels, contrast feels better too.
Why am I saying this? Because when you play HDR content on the FP5, I swear the quality of the screen suddenly skyrockets EXCEPT for the low screen brightness. Movie watching in the dark on this phone is genuinely a joy. And your eyes have no time to adjust mid movie watching, to spot the black glow. I literally needed to pixel peep to see it still being there while displaying hdr content.
But during daily use, thereās no reason to set a black wallpaper. To use dark mode. To maximise pitch black ui elements on your screen. Because the dang pixels are not off, and theyāre blatantly visible during an SDR youtube video, or on your home screen.
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Have you received any feedback on this yet?
Nope, radio silence :-/
Hi all,
We are looking into this issue as a high priority, since we donāt know what the problem is yet. We will let you know once we know more.
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This is 100 percent a screen issue. I have 3 FP5s at my disposal and my fp5 which i bought at launch, had (i swapped it but still have the problem screen) the same issue.
The screen downright behaves like an lcd screen -not an lcd but more testing needed on the quality-, but beyond that the screen has a greenish tint (thats why i even started comparing the screens after noticing that Metal Storm looked way worse on any rom on my FP5 with worse contrast and said color shift).
On the other hand the screen can get so dark that i barly see something in a pitch and i mean pitch black room (and on extra dark it gets so grainy that i infact cant see recognize text) and at least noticeably brighter than the other two properly working screens. -Have to check by swapping screen could be os thing.-
My theory is that they for some reason shipped early models in 2023 with lcds they ordered on preproduction models befor they decided to pit an oled into the phone. But its only a theory all i have for sure are the discrepancy in quality. -Nope-
First two taken with FP5 second two with US996.
If i am right sell the lcd ones as a limited even cheaper version instead of scrapping the screen XD.-I am not right-
Pretty sure that this is not the case Be careful with such statements without proof, as you accuse Fairphone to have sold something different then ordered.
Btw the FP4 LCD Display is black displaying the same black Picture or movie while the FP5 is not.
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