Hey,i got iphone 3gs. im make on iphone iOS update in iTunes and then after iOS update iphone turn's on, and ask me for - where i am, language and wifi ,after all complete that im going to "Activtating your iPhone"  and it says " It may take a few minutes to actiave your iPhone" and after 3-5minutes it shows "Failed to activating your iphone,please try again"   people please help me,sorry for my bad english.