Choose an IPSW for the iPhone 3G

Signed IPSW files can be restored via Finder, the Apple Devices app, iTunes, or idevicerestore. Unsigned IPSWs cannot currently be restored to.

Signed IPSWs

iOS 4.2.1 (8C148) November 18, 2010 323 MiB iPhone1,2_4.2.1_8C148_Restore.ipsw
iOS 4.1 (8B117) September 3, 2010 308 MiB iPhone1,2_4.1_8B117_Restore.ipsw

Unsigned IPSWs

iOS 4.0.2 (8A400) August 9, 2010 305 MiB iPhone1,2_4.0.2_8A400_Restore.ipsw
iOS 4.0.1 (8A306) July 13, 2010 305 MiB iPhone1,2_4.0.1_8A306_Restore.ipsw
iOS 4.0 (8A293) June 17, 2010 292 MiB iPhone1,2_4.0_8A293_Restore.ipsw
iPhoneOS 3.1.3 (7E18) January 22, 2010 228 MiB iPhone1,2_3.1.3_7E18_Restore.ipsw
iPhoneOS 3.1.2 (7D11) October 5, 2009 242 MiB iPhone1,2_3.1.2_7D11_Restore.ipsw
iPhoneOS 3.1 (7C144) September 3, 2009 242 MiB iPhone1,2_3.1_7C144_Restore.ipsw
iPhoneOS 3.0.1 (7A400) July 31, 2009 230 MiB iPhone1,2_3.0.1_7A400_Restore.ipsw
iPhoneOS 3.0 (7A341) June 10, 2009 230 MiB iPhone1,2_3.0_7A341_Restore.ipsw
iPhoneOS 2.2.1 (5H11) January 22, 2009 246 MiB iPhone1,2_2.2.1_5H11_Restore.ipsw
iPhoneOS 2.2 (5G77) November 17, 2008 246 MiB iPhone1,2_2.2_5G77_Restore.ipsw
iPhoneOS 2.1 (5F136) September 5, 2008 238 MiB iPhone1,2_2.1_5F136_Restore.ipsw
iPhoneOS 2.0.2 (5C1) August 15, 2008 249 MiB iPhone1,2_2.0.2_5C1_Restore.ipsw
iPhoneOS 2.0.1 (5B108) July 29, 2008 249 MiB iPhone1,2_2.0.1_5B108_Restore.ipsw
iPhoneOS 2.0 (5A347) July 8, 2008 225 MiB iPhone1,2_2.0_5A347_Restore.ipsw
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