salam guys....i want to buy iphone 4g from abroad as my phuppo is coming from there...thing is she is coming from usa....i want to buy iphone 4g from there....but when i went to sadddar last night the shop keepers told me there r two types of 4 g available....one is factory unlocked which if u update it it will not become bricked n stuff....n there is the other one which if you update it willl get bricked....so as this is the first time i am buying something from abroad and please also tell me that how much will it cost me in pakistani rupees if i buy from usa... please guide me as if u were talkin with a dummy...any new information will also help.respect n love for all....