So this is my third iPhone 4. The first was perfect besides the mic that just randomly stopped. The second one had a loose back plate that sounded like it would fall off if u tapped it. Now this third one I've had for over three weeks now seemed to be perfect. I was sitting outside with my sisters iPhone 4. That's when I noticed that on mine u could see the backlights on the edges of the screen on mine and that the entire screen had a horrible yellow tint. I've always thought it was a little bit dark but compared to my sisters it looks horrible. Hers is completely crisp and white clear looking. I may be a Lil obsessed but I payed a lot for this phone. Has anyone else swapped out their phone to get another with it's own set of problems? Getting quite aggravating but atleast it's an Apple and I can go trade it out.