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iPhone 13 Pro iPhone 13 Pro screen uniformity issue

To test display uniformity you need to use actual test palettes, gray menus can include transparencies and/or designs. Also you need to look for color uniformity and dark image uniformity. A screens uniformity will vary between devices, it should be 'good' it will never be perfect. The display on the assembly line next to yours could be completely different.

Unless you are confident there is a problem and you just need it quantified it I wouldn't proceed to the links. Both of these will show conditions unrealistic to everyday usage. Looking for a problem you don't know you have using methods unrealistic to your usage is borderline obsessive.

Anyway this is 50% gray and 5% gray respectively using a lossless compression (PNG). Save them to your device and zoom in to fill the screen.



Obvious problems are obvious, if you need to ask if you have an issue you don't.
 
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cynics said:
To test display uniformity you need to use actual test palettes, gray menus can include transparencies and/or designs. Also you need to look for color uniformity and dark image uniformity. A screens uniformity will vary between devices, it should be 'good' it will never be perfect. The display on the assembly line next to yours could be completely different.

Unless you are confident there is a problem and you just need it quantified it I wouldn't proceed to the links. Both of these will show conditions unrealistic to everyday usage. Looking for a problem you don't know you have using methods unrealistic to your usage is borderline obsessive.

Anyway this is 50% gray and 5% gray respectively using a lossless compression (PNG). Save them to your device and zoom in to fill the screen.



Obvious problems are obvious, if you need to ask if you have an issue you don't.
Click to expand...
Both test cards look perfect on my S21U with brightness turned to 10 percent or lower in a dark room.
 
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Limeybastid said:
I tend to agree somewhat. But my s21u is near perfect. 🤣
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Yea recent Samsung phones absolutely have panels that are near perfect. Not 100% but very close and certainly not with uniformity issues as noticeable as these. I’m very surprised with the obvious uniformity issues the iPhones have this year. It’s almost like they are using older or lower grade panels.
 
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As a reviewer of Chinese tech, I have reviewed 80+ Android phones with OLED displays in my life, most of them a lot cheaper than any iPhone out there. None of them (no matter if regular OLED or LTPO screens) had uniformity issues like shown here. Everyone with such issues should get a replacement until he gets a flawless phone. This isn't normal and it's unacceptable given the price-tag of these phones.
 
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CMMChris said:
As a reviewer of Chinese tech, I have reviewed 80+ Android phones with OLED displays in my life, most of them a lot cheaper than any iPhone out there. None of them (no matter if regular OLED or LTPO screens) had uniformity issues like shown here. Everyone with such issues should get a replacement until he gets a flawless phone. This isn't normal and it's unacceptable given the price-tag of these phones.
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Interesting.
 
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chadmclark said:
Careful; the lottery applies to the entire phone. You *might* get a perfect screen but get a device with scratches, dust under the cameras, clicking back glass, uneven buttons, mushy buttons; the list goes on and on sadly. And yes, since my first iPhone I’ve had all of those happen! And it didn’t matter what “batch”; it’s all odds plain and simple, sigh!

For me, I’d gladly take a decent display over those other issues; that’s my story with my Pro 13. Absolutely flawless! The screen seems to have a slight gradient in the middle. I can only notice it while scrolling, and I have to look hard but it’s there … static images are perfect which leads me to believe it’s super faint.

So, tread lightly. It’s almost worse when you’ve got multiple phones on hand and you’re trying to decide the best of the worst, all the while dealing with the return hassle (and restock fees for providers). And if you’re beyond the 14 days you’d have to sell your “new” phone and take THAT hit. It’s insane and I’ve lived it LMAO 🤣
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100% get it. I wanted to love the replacement phone because it was otherwise flawless — no scratches, no dust in the cameras, and no gap at the top of the speaker!! I have hope that this next replacement will be about the same.

I am willing to play the lottery due to my screen and the significant amount of dust (not just specks here and there) under the cover glass of the wide angle camera.
 
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Limeybastid said:
Yep. I remember that. Hope you are doing well. Ain't seen you around for a while. 👍🏼
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Thanks. Yeah, I found one that I'm still happy with today. :) It was after some odd turns how I got it, unit from the first batch that came but the particular phone was not for me originally. One of the two phones came here then was pretty much perfect G9N screen, other as well as the ones I got afterwards after trying to find decent one were with G9P and they all seemed inferior to me.
 
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0906742 said:
Thanks. Yeah, I found one that I'm still happy with today. :) It was after some odd turns how I got it, unit from the first batch that came but the particular phone was not for me originally. One of the two phones came here then was pretty much perfect G9N screen, other as well as the ones I got afterwards after trying to find decent one were with G9P and they all seemed inferior to me.
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That's good to hear, I returned my 13PM. Lol.
 
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spksys said:
Last year before the 12 Pro max came out I decided to switch to iPhone, and wanted to get the 11 Pro Max in silver. Because I am sensitive to uniformity issues, I ended up playing the lottery, and believe it or not here is how it went: I went trough 12 units of the 64gb silver, the next one worse than the previous one,from green tint, red tint, vertical and horizonal lines on gray and dark green backgrounds, including banding at the camera and white-ish vertical line on the side of the screen. I tried one gold unit because it was at a discount and it was bad, half the screen was green tinted. Then I tried one graphite and one forrest green unit, they were better, only had some mild green tint/red tint mostly on the top corners or towards the bottom but they were not great for the price. I almost gave up but I caved in for one more try and bought a 256gb silver unit which was 99% uniform to my eyes and kept that.

I intend to switch to the 13 Pro Max now, so I am curious, those of you that are having display issues, what variant and colour did you get? I ordered the 128gb graphite now.
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Nothing to do with with color or spec of device. That’s why it’s called the lottery. 12 units ? 😂
 
cynics said:
To test display uniformity you need to use actual test palettes, gray menus can include transparencies and/or designs. Also you need to look for color uniformity and dark image uniformity. A screens uniformity will vary between devices, it should be 'good' it will never be perfect. The display on the assembly line next to yours could be completely different.

Unless you are confident there is a problem and you just need it quantified it I wouldn't proceed to the links. Both of these will show conditions unrealistic to everyday usage. Looking for a problem you don't know you have using methods unrealistic to your usage is borderline obsessive.

Anyway this is 50% gray and 5% gray respectively using a lossless compression (PNG). Save them to your device and zoom in to fill the screen.



Obvious problems are obvious, if you need to ask if you have an issue you don't.
Click to expand...
Tried to get it to fail. But couldn’t.
 

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Limeybastid said:
Nothing to do with with color or spec of device. That’s why it’s called the lottery. 12 units ? 😂
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That is true, it just seemed to me it was a lot more of a lottery with base models. I really wanted that phone and was telling myself I will keep it for a few years, so it took me around 3 months to get what I was looking for, which is stupid, and will never do it again.

I also bought an s21 ultra along with a base storage/blue model 12 PM later on, out of curiosity, and first thing I checked was the screens and the s21 was excellent like yours but the 12 PM was horrendous, easily the worst panel in terms of uniformity that I have ever seen.

My 13 PM is supposed to arrive on friday/saturday so I will post back when I get it. Can’t say I am optimistic about it, only doing one try this year.
 
0906742 said:
That looks pretty close the same as my current 12 Pro with G9N screen. All other 12 Pro's with G9P screen I tried had more or less problems with tint in different parts of the screen.
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Where in 3utools do you find the screen serial?
 
0906742 said:
That looks pretty close the same as my current 12 Pro with G9N screen. All other 12 Pro's with G9P screen I tried had more or less problems with tint in different parts of the screen.
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I had a G9N screen on my 12 pro max, my screen was not perfect at all…
 
DiSC0 said:
I had a G9N screen on my 12 pro max, my screen was not perfect at all…
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The G9P means it is a Samsung manufactured panel, where the panel is cut from the wafer effects how good it is……not the serial number.
 
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DiSC0 said:
I had a G9N screen on my 12 pro max, my screen was not perfect at all…
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I was talking about small 12 Pro screen, not Max.

dantay said:
The G9P means it is a Samsung manufactured panel, where the panel is cut from the wafer effects how good it is……not the serial number.
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It is the beginning of the serial and I suspect third letter could point to factory or production line. Anyway half dozen units I had here, only one had G9N and it was night and day difference better than others with G9P. Also I checked several units in my local stores and those that had G9P were not good IMHO.
 
0906742 said:
I was talking about small 12 Pro screen, not Max.


It is the beginning of the serial and I suspect third letter could point to factory or production line. Anyway half dozen units I had here, only one had G9N and it was night and day difference better than others with G9P. Also I checked several units in my local stores and those that had G9P were not good IMHO.
Click to expand...
In my case, my screen serial # starts with G9L. Anybody with this panel? Anything to comment about? My screen is remarkably uniform at all brightness levels and is a tad yellower than all my other iPhones and iPads, but it looks pretty and vibrant.
 
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maka344 said:
The 13 Pro’s are all using Samsung panels. There are no A or B grades - it simply depends on which part of the sheet they were cut from.
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Yeah they are Samsung panels and quality of OLED of course depend on which part of the sheet they are cut from (ones in the middle are usually the best and quality drops towards edges), and for that there is surely different grades of panels. But then, I don't think they all come from the one and only production line or even one factory. Probably third letter in the serial determine this. All I can say, with 12 Pro (small one, not Max), I noticed considerable difference between G9N and G9P screen.
atxyde said:
In my case, my screen serial # starts with G9L. Anybody with this panel? Anything to comment about? My screen is remarkably uniform at all brightness levels and is a tad yellower than all my other iPhones and iPads, but it looks pretty and vibrant.
Click to expand...
This is iPhone 13 Pro? Definitely points to that first three characters are not just running serial number since in 12 models already started with G9N or G9P and there was some others like G9Q if I recall correctly.
 
0906742 said:
Yeah they are Samsung panels and quality of OLED of course depend on which part of the sheet they are cut from (ones in the middle are usually the best and quality drops towards edges), and for that there is surely different grades of panels. But then, I don't think they all come from the one and only production line or even one factory. Probably third letter in the serial determine this. All I can say, with 12 Pro (small one, not Max), I noticed considerable difference between G9N and G9P screen.

This is iPhone 13 Pro? Definitely points to that first three characters are not just running serial number since in 12 models already started with G9N or G9P and there was some others like G9Q if I recall correctly.
Click to expand...
It is a 13 Pro Max.
 
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