Since the 2.0 update my iphone gets pretty hot after 5 to minutes 10 of calling and also when i for example play a game from the app store it gets hot and a brighter spot appears on the screen
but the thing is i want iphone 1 and not the 3G. I bought mine in Germany when it was officially unlocked so my guess is when i send it to Apple the will replace it with a 3G phone and that would suck!