One time I bought an xbox 360, first three gave me the red signal for bad hard drive. On the thrid trip the manager came out and said "you cant keep doing this" and im like "Dude I WANT an xbox stop selling broken ****." The 4th one worked for about 5 months then I got the red ring of death lol...
My 6+ appears to have a dead pixel too. It's tiny, but has totally bummed me out. I'm going to take it to an Apple Store and request a replacement. This is a totally white picture used for detecting dead pixels:
And this is a picture of my settings screen: