as far as i know, restore will revert back to original setting of that iphone,

i think for the "syncing to an already pwned devide works fine only for 1st gen phone that have been pwnage/winpwn since i remember last time, we can updated to new firmware as long as that phone have been pwned, using winpwn/pwnage software only, using any other software cant,<<----- correct me if im wrong.