A week ago I took my iphone back to the Apple store to exchange it. I figured they would hassle me because there was nothing actually wrong with the device (as far as functionality goes). I wanted to exchange it because 1.) the screen would flicker slightly when turning it on and off and it bothered me, and occasionally launching a game..... and 2.) The incase silicon protective cover I got for it had scratched it all to hell.
So, they ended up exchanging it anyway after I kinda bickered back and forth for a while with them.
Well, the iphone they gave me was brand new, but ended up having like 5 or 6 stuck pixels from what I could tell. Only 1 of them was really noticeable, and the others you couldn't really see that well even if you were looking for them on an all black background.
I took this one in, and they swapped it out today with zero issues. They didnt even ask me any questions other than what is wrong with it. I told them it had a stuck pixel, and had other pixels that occasionally stick on the right side. The guy said, "ok, no problem"... took a look at it, reset it, and started the paperwork to swap it out. I'm very satisfied with how I was treated today.