iPhone 3G (3.1.3 - 4.2.1)

==iPhone 3G Firmwares==

Can Downgrade and Upgrade any version via iTunes's Offical Server IP Address.

==DFU Mode==

1.) turn off iphone
2.) hold sleep button for 3 seconds
3.) without releasing sleep button press home button and hold for another 8 or 10 seconds
4.) release sleep button.

==Hard Reset iPhone==

1. Power + Home Button
2. You may let go when you see the silver Apple logo.

==IPSW==

74.208.10.249