Signed IPSW files can be restored via iTunes. Unsigned IPSWs cannot currently be restored via iTunes.
| ✗ | iPhoneOS 3.1.3 (7E18) | 22nd January 2010 | 238 MB | iPhone1,1_3.1.3_7E18_Restore.ipsw |
| ✗ | iPhoneOS 3.1.2 (7D11) | 5th October 2009 | 252 MB | iPhone1,1_3.1.2_7D11_Restore.ipsw |
| ✗ | iPhoneOS 3.1 (7C144) | 3rd September 2009 | 252 MB | iPhone1,1_3.1_7C144_Restore.ipsw |
| ✗ | iPhoneOS 3.0.1 (7A400) | 31st July 2009 | 240 MB | iPhone1,1_3.0.1_7A400_Restore.ipsw |
| ✗ | iPhoneOS 3.0 (7A341) | 10th June 2009 | 240 MB | iPhone1,1_3.0_7A341_Restore.ipsw |
| ✗ | iPhoneOS 2.2.1 (5H11) | 22nd January 2009 | 258 MB | iPhone1,1_2.2.1_5H11_Restore.ipsw |
| ✗ | iPhoneOS 2.2 (5G77) | 17th November 2008 | 258 MB | iPhone1,1_2.2_5G77_Restore.ipsw |
| ✗ | iPhoneOS 2.1 (5F136) | 5th September 2008 | 242 MB | iPhone1,1_2.1_5F136_Restore.ipsw |
| ✗ | iPhoneOS 2.0.2 (5C1) | 15th August 2008 | 254 MB | iPhone1,1_2.0.2_5C1_Restore.ipsw |
| ✗ | iPhoneOS 2.0.1 (5B108) | 29th July 2008 | 254 MB | iPhone1,1_2.0.1_5B108_Restore.ipsw |
| ✗ | iPhoneOS 2.0 (5A347) | 8th July 2008 | 229 MB | iPhone1,1_2.0_5A347_Restore.ipsw |
| ✗ | iPhoneOS 1.1.4 (4A102) | 22nd February 2008 | 170 MB | iPhone1,1_1.1.4_4A102_Restore.ipsw |
| ✗ | iPhoneOS 1.1.3 (4A93) | 10th January 2008 | 170 MB | iPhone1,1_1.1.3_4A93_Restore.ipsw |
| ✗ | iPhoneOS 1.1.2 (3B48b) | 7th November 2007 | 168 MB | iPhone1,1_1.1.2_3B48b_Restore.ipsw |
| ✗ | iPhoneOS 1.1.1 (3A109a) | 27th September 2007 | 160 MB | iPhone1,1_1.1.1_3A109a_Restore.ipsw |
| ✗ | iPhoneOS 1.0.2 (1C28) | 21st August 2007 | 96 MB | iPhone1,1_1.0.2_1C28_Restore.ipsw |
| ✗ | iPhoneOS 1.0.1 (1C25) | 31st July 2007 | 96 MB | iPhone1,1_1.0.1_1C25_Restore.ipsw |
| ✗ | iPhoneOS 1.0 (1A543a) | 28th June 2007 | 96 MB | iPhone1,1_1.0_1A543a_Restore.ipsw |