Signed IPSW files can be restored via iTunes. Unsigned IPSWs cannot currently be restored via iTunes.
| ✗ | iOS 4.0.2 (8A400) | 9th August 2010 | 320 MB | iPhone1,2_4.0.2_8A400_Restore.ipsw |
| ✗ | iOS 4.0.1 (8A306) | 13th July 2010 | 320 MB | iPhone1,2_4.0.1_8A306_Restore.ipsw |
| ✗ | iOS 4.0 (8A293) | 17th June 2010 | 306 MB | iPhone1,2_4.0_8A293_Restore.ipsw |
| ✗ | iPhoneOS 3.1.3 (7E18) | 22nd January 2010 | 239 MB | iPhone1,2_3.1.3_7E18_Restore.ipsw |
| ✗ | iPhoneOS 3.1.2 (7D11) | 5th October 2009 | 253 MB | iPhone1,2_3.1.2_7D11_Restore.ipsw |
| ✗ | iPhoneOS 3.1 (7C144) | 3rd September 2009 | 253 MB | iPhone1,2_3.1_7C144_Restore.ipsw |
| ✗ | iPhoneOS 3.0.1 (7A400) | 31st July 2009 | 241 MB | iPhone1,2_3.0.1_7A400_Restore.ipsw |
| ✗ | iPhoneOS 3.0 (7A341) | 10th June 2009 | 241 MB | iPhone1,2_3.0_7A341_Restore.ipsw |
| ✗ | iPhoneOS 2.2.1 (5H11) | 22nd January 2009 | 258 MB | iPhone1,2_2.2.1_5H11_Restore.ipsw |
| ✗ | iPhoneOS 2.2 (5G77) | 17th November 2008 | 258 MB | iPhone1,2_2.2_5G77_Restore.ipsw |
| ✗ | iPhoneOS 2.1 (5F136) | 5th September 2008 | 249 MB | iPhone1,2_2.1_5F136_Restore.ipsw |
| ✗ | iPhoneOS 2.0.2 (5C1) | 15th August 2008 | 261 MB | iPhone1,2_2.0.2_5C1_Restore.ipsw |
| ✗ | iPhoneOS 2.0.1 (5B108) | 29th July 2008 | 261 MB | iPhone1,2_2.0.1_5B108_Restore.ipsw |
| ✗ | iPhoneOS 2.0 (5A347) | 8th July 2008 | 236 MB | iPhone1,2_2.0_5A347_Restore.ipsw |