So, after having my iPhone 3G break on me while abroad, I'm getting a used iPhone 3G from a friend in a few weeks (great deal on it for $50 in perfect condition. I KNOW, I have great friends). Anyways, my previous 3G was jailbroken on iOS 4.0 with multitasking and wallpaper enabled, with all my jailbroken apps backed up in iTunes. The 3G I will be getting isn't jailbroken and will come with my friend's stuff on it I'm sure. I'd like to know if anyone's had any experience with getting used iPhones and how they went about getting their stuff onto the device. Does iTunes automatically backs up the stuff that'll be on the iPhone or will iTunes prompt me to restore, recognizing the iPhone has never synced to my computer? Is it better to ask my friend to wipe their iPhone? Anyone know how that works? Also, will iTunes just wipe the iPhone and set it up as if it were my old iPhone with the settings and data I had backed up last? I know I'll have to jailbreak it and such to get multitasking and wallpapers back in addition to APTbackup to get my jailbroken settings back, I just wanted to know if iTunes knows how to get this iPhone to be MY iPhone. I'm sorry for the noobish questions. I'm well seasoned in many things iPhone, but never had to do this so I'm devoid of information for myself. Thanks for all of the future input, everyone!