Just this past weekend for me it was number 4, the first had software problems that apple could'nt or just didnt want to fix it so they just gave me a new one and then the 2nd one the wifi did not work at all , so they gave me a new one and the 3rd one the speaker blew which I thought was wierd cause I barely use the thing, so they gave me a new one this is my 4th Iphone since launch day lol good thing I bought that applecare huh?