D DavidBrown New member Jul 22, 2010 #1 ...had 3.1.3 of which i have back up? on my pc in itunes. Is there any possiblity that i can downgrade from ios4.0 to 3.1.3 aslo it would be a great help if can tell me how to unlock ios4.0 and use airtel.
...had 3.1.3 of which i have back up? on my pc in itunes. Is there any possiblity that i can downgrade from ios4.0 to 3.1.3 aslo it would be a great help if can tell me how to unlock ios4.0 and use airtel.