I've noticed that there are faint and occasional 'scan lines' on my iphone display. They're not visible all the time and everywhere, but they appear as a slight pattern of horizontal lines on solids. If I flip the iphone into portrait mode, the lines are vertical from top to bottom. I went to check in the Apple store and, sure enough, many of the ipod touch exhibit the same issue, and some of the iphones too. It's very subtle, but I do notice it. Has anybody noticed this? My eyes are very sensitive to these kinds of things - my girlfriend didn't notice until I pointed it out. My display is a '5XXXXX'. Oh, yes, my phone is unlocked and, yes, these lines were there before I unlocked it too. No correlation, move on please.