way to restore iPhone3G back to firmware 3.1.3

silvergs

2011-03-16 08:10:03

Is there any way to restore an iPhone3G back to firmware 3.1.3 - its become so slow now on 4.1.2.
iTunes now does not let you go back to an old firmware even if you have a copy of the old firmware.
My pc is a Windows 7 machine.
iPhone 3G iOS 4

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