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The green / glow in very dark backgrounds is likely a hardware issue, people should just return the phone or demand a replacement. Happened with the LG V30 when LG started making OLED phone displays, same on the Pixel 2 XL. Some older Samsungs suffered from it. Obviously current and older OLED iPhones suffer from it. Just a bad OLED is likely what is happening. My 12 Pro and 12 Mini do not have this issue. My 12 Pro Max that I returned did have it.

I guess you haven’t used newer Samsung or Oneplus devices lately then. I have and they also suffer from it.
It shows how little Apple understand the problem though. It's not green at all, it's grey, but a camera will pick it up as green due to exposure or some such. Because customers are sending photographs of it looking green, they think it's green. It aint.

For those of you who don't have this problem, you probably do I'm afraid. Best not to look for it.
Amen. I actually made a point to prove what you said, I put the brightness of my pro max down to zero , took a picture of the black settings screen and it was all green.
 
Thank you for sharing this video. I played it and I did not get any weird flickering, but I did notice that during the video where it says "this is true black" I did not get true black, but the borders or the side black bars were true black. If I made the video cover the entire screen, it does not show true black again and if I make it smaller, the borders turn true black. This gives me hope that this might be a software issue and I won't have to get a refund and try my luck on a different phone. Though I might have just gotten a pretty decent one.
Just played that video on my Note 20 ultra. It also didn’t show total true black during that segment of the video. Both devices under set and used under similar conditions .
 
There is also a STRANGE issue with the camera lenses in dark areas... you get a bunch of blue dots. I'll upload an example later, but my fiancees pro then pro max and my pro max all did it.
If this is happening when taking pics of evenly lit areas say Like a wall in your home, then it’s definitely an issue. But if there are any bright point light sources, like car lights or street lights, in the picture then it’s just lens flares. It’s a hardware issue with the lens design inherent to most top end phones including Apple and Samsung. Coming from Note 10 + I’d say it’s more noticeable in iPhone 12 Pro Max. Happens even with professional dslr cameras with Some lenses.
 
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Left iPhone X Right iPhone 12
 

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I’ve been binging a TV series with some really dark colors, and it has been so annoying on my phone. Constant flickering. I’ve switched to my iPad. What a darn shame.
 
I’m in the latest 14.5 beta with the 12 mini and the flickering has gotten awful! I see it all the time in Tweetbot6 dark mode when scrolling with videos.. thought it was only that app but the other night it did it in Apples Photos app. I want to know if I need to get this phone replaced or if they’re still supposedly going to fix this with a software update?
 
I want to know if I need to get this phone replaced or if they’re still supposedly going to fix this with a software update?
I feel like this is a bigger issue that Apple is putting off as long as they can due to the pandemic and probably the shortage on parts.
 
I think it actually made mine worse. Now black pixels won’t even turn off; they just turn a slightly darker green.

EDIT: I sincerely apologize; apparently, I was still on Beta 1. Beta 2 has, indeed, fixed the issue (for the most part); I still get some flicker every so often.
 
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The green / glow in very dark backgrounds is likely a hardware issue, people should just return the phone or demand a replacement. Happened with the LG V30 when LG started making OLED phone displays, same on the Pixel 2 XL. Some older Samsungs suffered from it. Obviously current and older OLED iPhones suffer from it. Just a bad OLED is likely what is happening. My 12 Pro and 12 Mini do not have this issue. My 12 Pro Max that I returned did have it.
And man were you wrong.
 
100%. I have 3 iPhone 12 Pro Max’s here with me. One of them flickers in low light when displaying blacks the others don’t. The one that flickers flashes like this upon reboot in a dark room for a second or so:
You clearly have no single clue what software can do to a device, software engineer here speaking.
 
And man were you wrong.
There are separate issues going on. The slight green glow / raised blacks that people are complaining about with iPhones can likely be fixed with software.

The other issues such as uneven tint or terrible backlight bleed (can look like green / gray glow for lack of a better term, I know OLEDs have no backlight) on some OLEDs are defects. Such as when you turn on night shift on an Android device and half of the screen is very orange and the other half is just "warm". Or when using an iPhone 12 in a dark room and half of the screen is lit up gray / green / streaks and the other half is pure black. That's a defect.

How about the black blotches and gray / green streaks on the LG V30 on dark backgrounds, heck even the old Sony PS Vita OLED had black blotching effect? These are hardware issues. Why would my replacement LG V30 and Pixel 2 XL not have uniformity issues like this but the originals did?
 
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