DavidBrown
New member
- Jul 8, 2008
- 4
- 0
- 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.
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