Alright, here's my first post of MacRumors. Bought an iPhone 4 at launch, had an issue with the yellow near the bottom of the screen. Not a big deal until it got worse. Got it replaced for a new one, problem solved. About a week after that, I started to use the camera more and more, especially at a local baseball game. Noticed a small "yellowish ring" that I could compare to being the shape of a donut on the lower left hand side of pictures and some video taken. Not sure if you all know what I am dealing with here, so I'll attach some photos. One picture shows the problem in the way I have described (on the box since a light background picks it up easy) The second image is when I first noticed the issue at the Baseball game thanks to the fireworks display. The last image shows that the problem is not really a matter of the glass having some sort of dust related issue. Which in turn leads me to suspect that it's some sort of software bug. (since I clearly took a screenshot with the zoom enabled) Anybody in the same boat as me?