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iPhone 12 OLED Screen Issue

Hello. I bought two iPhone 12 and both has the same issue. In dark surrounding on any brightness lower than 90-100% screen has this ugly glowing! Black pixels are not turning off in dynamic scenes. In static scene black pixels turning off after few seconds.


My video shows it in video and in clock app.

https://youtu.be/BAWSIf2oVlE


And this is comparison by another one person who have this problem but with iPhone 12 Pro. iPhone 12 Pro vs iPhone XS screen.


That’s not normal at all. I post it to support and they said I should wait more. That’s just great...

iPhone 12, iOS 14

Posted on Nov 4, 2020 2:16 PM

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Question marked as Top-ranking reply

Posted on Nov 5, 2020 11:23 PM

Lots of people in Korea have this problem too, I just hope that it can be solved by software update.

When I boot up my iphone 12pro, and when I watch dark video especially including black color, the OLED doesn't show me the complete black color. I really hope that it is just a software bug and can be fixed by software update.

1,490 replies

Jan 5, 2021 10:55 AM in response to m4x1k

 Checked now with 3utools the Serials from display panels.


1st iPhone 12 pro, 39/2020, Sn: F17DG, Panel Sn: G9P0356 (Date 2020-08-29)

2nd iPhone 12 pro, 49/2020, Sn: F17DT, Panel SN: G9P0466 (Date 2020-11-14)

3rd iphone 12 pro, 50/2020, SN, F17DV, Panel SN: G9P0491 (Date 2020-11-30)


All three had/have raised blacks and look yellow. I will leave the 12 Series out and wait for the 13.

I'm no longer interested in this lottery.

Hope Apple does not make this mistake again with the 13 Pro.

Jan 5, 2021 4:57 PM in response to i_Mike

I talked to an Apple specialist the other day and explain the problem. I even copied the link from this forum and sent it to him. He said that Apple was aware of the problem and that the issue was going to be resolved in the next software update. If not Apple was going to solve the issue another way. I think Apple is a decent company with good costumer service (at least here the USA) one example for me is that a year ago I bought some AirPods Pro for Christmas, after a while they started to make a little rattling noise. I contacted Apple and they sent me a brand new replacement for free, for me that speaks a lot about a company. That has been my personal experience with apple. Hopefully they solve the issue via software update or send us new iPhones.

Jan 6, 2021 12:25 AM in response to amabile288

As far as I’m aware every iphone 12 (pro, max) is affected by this. People that claim they don’t have it probably can’t even see it or are testing it wrong or thinking that this is normal, especially coming from and LCD panel like the iphone 11 etc.

After different tests I still think this has to do something with the software since the panel itself is capable of displaying true blacks when setting brightness to 100% or when in sofware update menu and leaving it there for a few secs grey color turns to pure black and after touching it goes to gray again. That would suggest software. Also another thing I’ve noticed when staying in a bright room and going to a dark one and immediatey looking for the problem the pixels are being turned off faster compared to staying in a dark room all the time. This has something to do with the light sensor I guess.

But still if Apple is not fixing this in January ill try the repair centre if they tell me that everything is OK (which they will :D) i will probably sell the phone. Over 3 months are enough to fix an issue like this imo.

Jan 6, 2021 2:43 PM in response to m4x1k

Have the same yellow/green tint On iPhone 12mini. Went to Apple store and they ran diagnose: result = Phone is not defective, just bad luck with the panel Used??!! They use 2 manufacturers of display panels so actually they say that 2 iphones cannot be identical? I compared to 5 phones in 2 stores and all of them where fine so mine was the only bad one? Because I did not buy in apple store they wouldn’t help me out! This was in the apple store in Brussel (Europe). So far for warranty and helpfulness in that store. My 859euro down the drain cause I don’t use the phone anymore and went back to 7 plus. Great job apple.

Jan 6, 2021 4:05 PM in response to m4x1k

Probably a combination of hardware/software issue but only Apple will know and if it is a combination of both will make fix it harder, since as you can see from pics I posted compared iPhone 12 with older iPhones, will change colors more on some phones than others depending on how bad panel is.

If all phones have greenish tint they could easy fix it same way that truetone and nightshift shifts the colors on the phone. In fact reason I had to return my iPhone 12 is because of the strong green tint at all brightness levels! The same way nightshift does making all colors look more yellow at all brightness since it reduces the blue color produced by phone screen. Could probably fix it a bit by messing with settings but then if Apple comes out with software fix colors will all be off again!


In order to reduce PWM flickering on the iPhone Xs and iPhone Xs Max,

we’ll use a feature of iOS called “Display Accommodations > Reduce

White Point”.

https://blog.elcomsoft.com/2018/10/iphone-xs-pwm-demystified-how-to-reduce-eyestrain-by-disabling-iphone-xs-and-xs-max-display-flicker/

Jan 6, 2021 5:29 PM in response to jologames

The green tint associated with OLED panels has been discussed by other Internet forums for their respective devices. Just google search green tint and you’ll see many internet search results and complaints about this since the s20 and oneplus 8 pro devices etc have had it. It’s most noticeable on dark gray backgrounds when viewing effected displays in a dark room with low to zero ambient lightening, and the devices brightness being turned to low or zero output. Aka minimum brightness.

here’s a great article describing green tint on OLED panels and how they were derived and came about.


https://techpp.com/2020/08/06/oneplus-nord-amoled-green-tint/


Jan 6, 2021 5:57 PM in response to Frederick71

Yeah already mentioned that link before and green tint on my phone was not only in darker area but all brightness levels as can be seen in picture I posted several pages back, which means I probably got bad batch of panels way worse than normal for Apple, since article even says Apple usually better than other's with green tint.

"If you ask why devices from Samsung or Apple or others do not have display tints, it’s probably because the manufacturing process used in those OLED panels are either different (there are other ways of manufacturing OLED displays too like Color Filtering or using Electron Beams) or the method being used is more precise which cancels out any human error."

I just assumed OLED was as good or at least consistent as LCD displays by now since they have been around a few years now but obviously not the more research I do on the issue!

"While Samsung certainly can’t catch a break this year, it’s worth noting that virtually no popular smartphone launch in recent memory avoided the infamous green tint screen issue in its entirety. The iPhone 11 line had it, the Google Pixel 4 series had it (yeah, yeah, it’s as popular as 2020 China), the OnePlus 8 Pro had it, the OnePlus Nord is suffering pretty hard from it

at this very moment, many other Galaxy devices were affected beforehand, and so on."

Guessing they fix it just by reducing output of green pixels if all iPhones affected like I'm guessing though have no clue how widespread it is and didn't want to deal with it or wait for software update to fix so I returned mine. Otherwise loved the phone so hopefully iPhone 13 won't have it so I can finally upgrade again.



iPhone 12 OLED Screen Issue

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