Download the original firmware to restore your iPhone

 All firmware iPhone 2G Free Download
iPhone (1.0/1A543a)
iPhone (1.0.1/1C25)
iPhone (1.0.2/1C28)
iPhone (1.1.1/3A109a)
iPhone (1.1.2/3B48b)
iPhone (1.1.3/4A93)
iPhone (1.1.4/4A102)
iPhone (2.0/5A347)
iPhone (2.0.1/5B108)
iPhone (2.0.2/5C1)
iPhone (2.1/5F136)
iPhone (2.2/5G77)
iPhone (2.2.1/5H11)
iPhone (3.0/7A341)
iPhone (3.0.1/7A400)
iPhone (3.1/7C144)
iPhone (3.1.2/7D11)
iPhone (3.1.3/7E18)

All firmware iPhone 3G

iPhone 3G (2.0/5A347)
iPhone 3G (2.0.1/5B108)
iPhone 3G (2.0.2/5C1)
iPhone 3G (2.1/5F136)
iPhone 3G (2.2/5G77)
iPhone 3G (2.2.1/5H11)
iPhone 3G (3.0/7A341)
iPhone 3G (3.0.1/7A400)
iPhone 3G (3.1/7C144)
iPhone 3G (3.1.2/7D11)
iPhone 3G (3.1.3/7E18)
iPhone 3G (4.0/8A239)
iPhone 3G (4.01/8A306)

All firmware iPhone 3GS

iPhone 3GS (3.0/7A341)
iPhone 3GS (3.0.1/7A400)
iPhone 3GS (3.1/7C144)
iPhone 3GS (3.1.2/7D11)
iPhone 3GS (3.1.3/7E18)
iPhone 3GS (4.0/8A293)
iPhone 3GS (4.01/8A306)

Firmware iPhone iOS 4

iPhone iOS 4 (4.0/8A293)
iPhone 4 (4.01/8A306)