Ok, after I finally received my iPhone 7, I now want to share how my screen looks. I don't have an iPhone 6/6s to compare it to, and my shots are from my 5s so bare with the picture quality.
What I noticed is that my screen has a slight yellow tint or is warmer(?) at the bottom, like some of you have mentioned:
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In the shots it looks like the screen is tinted pink, but it definitely doesn't look like that in real life. Actually the whole screen other than the bottom part looks uniform clean white (5s shots definitely turned out really bad), but the bottom looks warmer.
What I noticed and what I would like some of you to check who also have a warmer/tinted bottom part is the following:
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At the bottom right (and left) corner the screen looks to be not as "pressed" or the background light (?) is not as attached to the screen as the top and other parts of the screen, heres a pic from a different angle (I'm sorry for the picture quality):
View attachment 657696
(Notice the little white dot at the corner)
I'm sorry for the bad picture quality the screen definitely doesn't look as bad in reality. It looks more like
thadoggfathers picture in reality. It's uniformly white but you notice a warmer tone at the bottom especially when the keyboard is displayed or you scroll on white websites and compare the top to the bottom.
I please want you to check if your bottom parts look like they are not as attached /pressed to the screen as they should be, maybe thats why the tint/temperature change happens on some of the displays.
Edit: Managed to make some better pictures:
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(Those lines are from the camera, and not visible on the screen.)
You can clearly see a difference at the bottom in those shots, although it looks pinkish (-I don't know why-), in reality it's more on the warmer/yellower side.