as far as i know. i have noticed this since the iphone 4 came out. not the iphone 4s
and the only explination i gave for it is because there is the lights coming out from the top of the screen is bright, which makes the the "area" where the light is not reaching abit darker. " stupid explination but hey "
but i saw this since i had my iphone 4. not just the 4s. however. some of these pictures here are extreme. like the one with the text brett is kinda bad.
i did have this on my iphone 4. and i do have it also on my iphone 4s. and i think its normal. all the screens are like that. dont let it bother you unless like i said, its very extreme.
i think i have extreme OCD problem. as i went thro no less than 30 iphone 4 and i phone 4s between used and new " have friends that wok in the market so they hook me up with the phones if they are clean with no scratches to check up the screen. and i have come to believe there is no really perfect. screen.
some has yellow hue, some have screen light leak, some have dead pixels. etc. " specially the dead pixels and screen leak omg most of the iphone 4 screens suffer from that "
now i have found a perfect one " almost " no dead pixel. no screen light leak, acceptable blue " in fact the best blue i was able to find in 4s yet. even tho not as blue as my ipod touch 4"
and i do have this an even " backlighting " but i have to admit. its not that extreme .
now i kinda wish i didnt read this thread. fu guys :/ .
i never made an issue about it now that i read it i am starting to notice it. heh.
but i aint going to trade it anyway. if down the road i was able to find a better iphone 4s with better screen, then sure i might trade and pay some $ to my friend. but sure as hell i am sticking with this.
aint going to apple store to talk some tard who call him self a genius to give a phone with much worse problems. like i said 99% of the iphone screens has this. if not all. so no need to freak out over something you cant really change.
also, for some who is compaing about this and saying the android screen is better when it comes to this, then please go do a google search on the galaxy s2 screen . and read about the problem with half of the screen from the left is yellowish while the right one is cool blue.
http://www.engadget.com/2011/05/30/is-your-galaxy-s-iis-display-yellow-on-the-left/
and there was a huge thread about it in the xda forums with more than 300 of replies. so its not like the other screens are perfect. each have its problems. just pick the phone you like and with the least problem that you can live with .