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My screen also has a strong green tint, especially noticeable when displaying dark grey, but it only happens at low ambient temperatures like around 0°C. At room temperature around 20°C all colors look normal, only slightly warmer than my 6500K monitor. I don't think this is something that can be fixed by software.
 
I’m a content creator and video guy, I can confirm it’s hard to reproduce the yellow tint with video rather than photos.
This may be due to numerous of factors such as camera lens filter, camera sensor during filming video, lighting ambient and phone’s screen guard. So it is not wise to judge a screen’s tint from videos, or even pictures to some extend. Pictures created from digital cameras (including phones) are already digitally processed with software before exported into compressed files such ad JPEG. Not to mention auto white balance feature will try to correct things rather than represent what we see with our eyes.

I’ve embraced my yellowish screen, very slightly green tint on grey images on lower brightness, and uniformity across the display panel. Each OLED panels are different and generally has worst white than LCD, so to compare your iPhone 12(s) with your XR, 11, or an iPad is incorrect.
In my experience, even Samsung phones’ panel in some point also not better, with reddish tint, uniformity, and faster burn-in.

With some extend of calibrating through Color Filters and using True Tone, I hardly notice the difference between my Mini, iPad Pro 2020 and my iPhone 6. Unless if I’m really looking.

So if your phones are not severely infected by the yellow / green tint, uniformity, raised black and other issues reported here, I suggest just use and enjoy your new devices. Do not expect Apple to do any major fix for this, expectations will hurt. Not trying to defend Apple or anything. I just think I can tolerate this. But it’s understandable people have different tolerance level.
 
I’m a content creator and video guy, I can confirm it’s hard to reproduce the yellow tint with video rather than photos.
This may be due to numerous of factors such as camera lens filter, camera sensor during filming video, lighting ambient and phone’s screen guard. So it is not wise to judge a screen’s tint from videos, or even pictures to some extend. Pictures created from digital cameras (including phones) are already digitally processed with software before exported into compressed files such ad JPEG. Not to mention auto white balance feature will try to correct things rather than represent what we see with our eyes.

I’ve embraced my yellowish screen, very slightly green tint on grey images on lower brightness, and uniformity across the display panel. Each OLED panels are different and generally has worst white than LCD, so to compare your iPhone 12(s) with your XR, 11, or an iPad is incorrect.
In my experience, even Samsung phones’ panel in some point also not better, with reddish tint, uniformity, and faster burn-in.

With some extend of calibrating through Color Filters and using True Tone, I hardly notice the difference between my Mini, iPad Pro 2020 and my iPhone 6. Unless if I’m really looking.

So if your phones are not severely infected by the yellow / green tint, uniformity, raised black and other issues reported here, I suggest just use and enjoy your new devices. Do not expect Apple to do any major fix for this, expectations will hurt. Not trying to defend Apple or anything. I just think I can tolerate this. But it’s understandable people have different tolerance level.
Or, you could get your money back and wait until Apple properly respects those who invest their hard earned money in a device with the quality people have been conditioned to expect from a trillion dollar company.
 
I disagree. The S21 looks much whiter then some of these latest 12s people are settling on in the last couple of pages of this thread.
You can’t judge a display’s white balance based on pictures without having any kind of reference display next to it. Anyone posting a picture of their phone or any other phone in isolation is wasting their and everyone else’s time.
 
Am i testing for "raised blacks" or "green tint" right ? Dark room with a black image.

 
You can’t judge a display’s white balance based on pictures without having any kind of reference display next to it. Anyone posting a picture of their phone or any other phone in isolation is wasting their and everyone else’s time.
As my post clearly stated, I was comparing the S21 photo to the 12s people were settling on in the latest pages of this thread. If you looked, that included at least one photo of the 12.
 
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I found this old photo back in September, 2015. 6 years later this yellow screen problem still exists. It’s sad 😔

Notice how left iPhone is very washed out. This is a legendary problem and I don’t think Apple cares.
 

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Does anyone know if there’s a chance Apple will take returns outside the typical two week window and the extended holiday returns period? They botched the express replacement for my launch day 12PM (gnarly raised black, tint, flickering) and I’d love to just return the device.
 
There are at least two different displays with different colors.
We are looking at different things and talking about them as the same thing, which makes the story even more complicated.
 
Well, so much for that. Apple put the wrong address on the shipping label for my Express Replacement 12PM. Not sure yet how I’ll proceed, but I may try to return mine and get an 11PM. Never had any display problems with my 11P.

In response to your original question... my first Pro Max had raised blacks that were easy to see in a completely dark room, even under normal usage scenarios, but my replacement has really good blacks. I’m not sure if it’s absolutely perfect, but I can say that I haven’t noticed raised blacks at all in the couple months since I’ve had this replacement, so if it does have raised blacks, then it must be extremely hard to see.
 
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sorry guys I wanted to ask if you also have this problem .. if you watched a video on YouTube, especially if the surrounding environment is in the dark, while I increase or decrease the volume, buy a strange halo around the bar .. is this normal?
 

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Just received my new 12 mini yesterday, having upgraded from an XR. Out of the box I knew something was wrong with the display, it had such an insanely yellow tint. Sitting next to my XR it was wild that the 2 year old XR with an LCD display was better able to reproduce colours and whites than my brand new, much more expensive, OLED-equipped device! I googled it straight away and, much to my disappointment, discovered that it’s a widespread issue once I found this thread, amongst others. I have started a support case with apple and they are ringing me tomorrow to discuss it.


My question is this. Should I go through the whole rigmarole of exchanging the 12 mini for a new one seeing as I’m in the 14 day return window? Given that the issues with the display seem so widespread, there’s no guarantee that any new 12 mini I was given would be free from this issue and it seems a complete lottery.


Or, should I instead return the mini, and buy a used XR to tide me over until the iPhone 13’s are released? I‘ve already given away my old XR to my Dad, who was running a 6, and is delighted with his new phone, so don’t have the heart to get that one back. I have paid for AppleCare+ on the 12 mini, if that makes any difference.

You mention that you noticed it “out of the box,” so I assume that means with True Tone on. Some users have reported True Tone being less aggressive after a factory reset, so I would try that, but also, I think Apple just made True Tone a little stronger this year on purpose, so that may not be something that gets “fixed” next year or any year after. Maybe Apple will add a True Tone intensity adjustment at some point though. Also, Apple may have made a small tweak to screen calibration in iOS 14.3, so make sure your phone is updated. This thread is really more about the screen being more yellow or green than previous years with True Tone off, or at least that’s how it started. If it’s still too yellow for you with True Tone off, then you should try a replacement or two. They will all likely be a bit more yellow than phones from previous years, but some might be especially bad, so best to make sure you at least have one of the better ones.
 
Am i testing for "raised blacks" or "green tint" right ? Dark room with a black image.

View attachment 1713885


Check it in a completely dark place.
In my case
It happens when the brightness is around 30% to 70%.
It does not happen below 20% or above 80%.
It is easy to see around 30% to 50%.
The light will go out in a few seconds, but it will glow again for a few seconds when you touch the screen.
 
Weird this year that 11 series not down significantly in price yet. 11 pro max still near msrp. Like know more sales based on some of these issues.

Don’t phones usually only drop $100 per year when new models come out?
 
My new iPhone 12 mini arrived and I did a retest of everything.
My old iPhone 12 mini's production date is 2020/10/18, week 42. Screen is G9Q manufactured at 2020-09-30
The new iPhone 12 mini arrived today. Production date 2020/11/22. week 47. Screen is G9Q manufactured at 2020-10-28. I found that at maximum brightness, the new one is definitely better. However, at low brightness, it's still bad green cast, I can definitely the difference at some middle difference.
Apple always asked me to wait for software update, and I wondering, if the software make a difference? The new phone arrived with iOS 14.2, sounds like some perfect test to do. Also the iOS 14.4 Beta 2 arrived today, so, why not. I measured at 0,5,10,20,30,50,80 and 100 brightness set by Siri, with true tone on and true tone off. I waited until night to do the measurements.
I did 16 tests on the out of box iOS 14.2 first. Then I updated to the latest software to iOS 14.3 and did another 16 tests. I installed the beta profile and installed iOS 14.4 Public Beta 2, which released today. And did another 16 tests.
Another 16 tests on XS iOS 14.3, and another 16 on the old iPhone 12 mini iOS 14.3. So 80 measurements total.
THERE'S ZERO difference between all three iOS version. They certainly did not fix it at iOS 14.3, and iOS 14.4 beta 2. Maybe iOS 40.4 they will fix it as they said. THERE'S ZERO difference between all three iOS version. Zero. (I mean out side of margin of error by measuring equipment.)

I can see on the new 12 mini, how the excess green fades away with brightness increase. At 80% brightness, it's completely gone.

1. There's 0 improvements over iOS version. Example at 0% brightness, true tone, nightshift, auto brightness all off.
View attachment 1713078
iOS 14.2 above
View attachment 1713079
14.4 Public beta 2 above

Well within margin of error.

2. Green fades with brightness increase. (Examples shown on the new 12 mini on iOS 14.4 Beta 2)
View attachment 1713080
5% brightness
View attachment 1713081
10% Brightness
View attachment 1713083
20%
View attachment 1713084
50%

3. The new iPhone 12 mini is not only brighter than my old one, but also shows less green cast at high brightness
(Examples all from 14.3 on both phones)
View attachment 1713086
old 12 mini, 0% brightness. (see 0% from the new one at the beginning)

View attachment 1713089
old 12 mini, 80% brightness
View attachment 1713090
new 12 mini, 80% brightness, still on 14.3
View attachment 1713091
Old 12 mini, maximum brightness
View attachment 1713093
new 12 mini, maximum brightness.

At maximum brightness, the new one I have is not only 25-30 nits brighter but also has much better whites. At low brightness they both are terrible with green cast. I personally use low brightness a lot.

It's already too and for true tone, I will start another reply.

Looks like you measured white on all of them. I didn’t measure any difference in white between iOS versions either, but I did measure differences in dark grays between iOS 14.2 and 14.3. But the difference might have been due to usage / aging and not iOS, because my measurements were 2 months apart.
 
Check it in a completely dark place.
In my case
It happens when the brightness is around 30% to 70%.
It does not happen below 20% or above 80%.
It is easy to see around 30% to 50%.
The light will go out in a few seconds, but it will glow again for a few seconds when you touch the screen.

Ya the room was pitch black. Maybe i just got lucky.
 
sorry guys I wanted to ask if you also have this problem .. if you watched a video on YouTube, especially if the surrounding environment is in the dark, while I increase or decrease the volume, buy a strange halo around the bar .. is this normal?

Normal. Lot's of OLED's have it.
 
sorry guys I wanted to ask if you also have this problem .. if you watched a video on YouTube, especially if the surrounding environment is in the dark, while I increase or decrease the volume, buy a strange halo around the bar .. is this normal?
It’s the light reflecting and diffusing out of the glass , normal.
 
Check it in a completely dark place.
In my case
It happens when the brightness is around 30% to 70%.
It does not happen below 20% or above 80%.
It is easy to see around 30% to 50%.
The light will go out in a few seconds, but it will glow again for a few seconds when you touch the screen.
Don’t ruin it for him 😭😂
 
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As my post clearly stated, I was comparing the S21 photo to the 12s people were settling on in the latest pages of this thread. If you looked, that included at least one photo of the 12.
The two phones need to be in the same picture for it to be a valid comparison and even then it only shows you the relative difference between the two displays.

It’s still not an accurate way to judge white balance unless you have a reference monitor calibrated to D65 in the same picture (or at the very least a phone that’s known and measured to be accurate). And even still, a camera might not capture what we see with our eyes. Holding my 12 mini next to my calibrated monitor it’s visibly green tinted. Yet if I take a picture it shows up as purple tinted

This really shouldn’t be that difficult to understand, but judging by the amount of people posting pictures of their phone screens and expecting it to show anything relevant, apparently it is. This has been pointed out multiple times by different people and yet this thread keeps getting flooded by meaningless pictures, including those of the S21.
 
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