After Oreo update (unsure if related), noted a very red tint on screen. Suspect it is either software or sensor related - the tint "kicks in" halfway through the boot process, and certain apps (while in use) disable the tint.
It is not due to a blue light filter, nor are the color balance options under "adaptive display" adequate to counter it. Even with "red" turned all the way down and the slider all the way to "cold," it's still red-ish. Basic display is most tolerable but definitely still an issue.
I have performed a cache partition wipe and a factor reset to no avail.
I have also "squeezed" my phone (lol) based on advice from some galaxy s5 threads where users experienced this after a sensor came loose. No help.
Could it be tinted during night hours to reduce blue light and strain on your eyes?
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Sounds like you have done a lot of checking on this problem. The one with the squeezed (pressure) is the one I thought of too. I have read a lot of the complaints about the oreo update but this is the first one I read with this problem. Have you gotten in touch with Samsung to see if they have heard of this with the oreo update? Also have you checked their fourm to see if anyone has had this problem too?
vuvycydyx, I depend on my screen to be viewable and working properly. Does this happen on all screen or a specific screen? Any damage to the screen?
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Guys you aren't going to believe what was up. Kathy's comment that no one else had reported this with Oreo tipped me off, and I aggressively searched for any other such report...a similar report from an s8 user after Oreo upgrade was identified:
BUT THEY WERE WRONG TOO, as is revealed several pages into that thread
THERE IS A RIDICULOUS BUG IN GOOGLE PLAY BOOKS THAT PERMANENTLY WRECKS YOUR SCREEN IF YOU DO NOT ACKNOWLEDGE A SOLICITATION FOR NIGHT READING MODE
that is, if you dismiss the question about night reading mode, your screen gets wrecked even if you aren't using the app, and starts wrecked even after a factory reset (presumably because saved setting is restored). Addressing this through the Google books app fixed the issue.