iphone 3gs
 

i have iphone 3gs 4.3.5 i want to unlock then i try down greade 4.1 then my phone has been lost imei no wifi add blutooth add how to solve my problom
i try to update ios 5.0
massage
restore problom
the iphone could not be
restore an unknown error occurred(-1)


plz help me how to solve it any best solution ????????????