Signed IPSW files can be restored via Finder, the Apple Devices app, iTunes, or idevicerestore. Unsigned IPSWs cannot currently be restored to.
| ✗ | iPhoneOS 3.1.3 (7E18) | January 22, 2010 | 227 MiB | iPhone1,1_3.1.3_7E18_Restore.ipsw |
| ✗ | iPhoneOS 3.1.2 (7D11) | October 5, 2009 | 241 MiB | iPhone1,1_3.1.2_7D11_Restore.ipsw |
| ✗ | iPhoneOS 3.1 (7C144) | September 3, 2009 | 241 MiB | iPhone1,1_3.1_7C144_Restore.ipsw |
| ✗ | iPhoneOS 3.0.1 (7A400) | July 31, 2009 | 229 MiB | iPhone1,1_3.0.1_7A400_Restore.ipsw |
| ✗ | iPhoneOS 3.0 (7A341) | June 10, 2009 | 229 MiB | iPhone1,1_3.0_7A341_Restore.ipsw |
| ✗ | iPhoneOS 2.2.1 (5H11) | January 22, 2009 | 246 MiB | iPhone1,1_2.2.1_5H11_Restore.ipsw |
| ✗ | iPhoneOS 2.2 (5G77) | November 17, 2008 | 246 MiB | iPhone1,1_2.2_5G77_Restore.ipsw |
| ✗ | iPhoneOS 2.1 (5F136) | September 5, 2008 | 231 MiB | iPhone1,1_2.1_5F136_Restore.ipsw |
| ✗ | iPhoneOS 2.0.2 (5C1) | August 15, 2008 | 242 MiB | iPhone1,1_2.0.2_5C1_Restore.ipsw |
| ✗ | iPhoneOS 2.0.1 (5B108) | July 29, 2008 | 242 MiB | iPhone1,1_2.0.1_5B108_Restore.ipsw |
| ✗ | iPhoneOS 2.0 (5A347) | July 8, 2008 | 218 MiB | iPhone1,1_2.0_5A347_Restore.ipsw |
| ✗ | iPhoneOS 1.1.4 (4A102) | February 22, 2008 | 162 MiB | iPhone1,1_1.1.4_4A102_Restore.ipsw |
| ✗ | iPhoneOS 1.1.3 (4A93) | January 10, 2008 | 162 MiB | iPhone1,1_1.1.3_4A93_Restore.ipsw |
| ✗ | iPhoneOS 1.1.2 (3B48b) | November 7, 2007 | 160 MiB | iPhone1,1_1.1.2_3B48b_Restore.ipsw |
| ✗ | iPhoneOS 1.1.1 (3A109a) | September 27, 2007 | 152 MiB | iPhone1,1_1.1.1_3A109a_Restore.ipsw |
| ✗ | iPhoneOS 1.0.2 (1C28) | August 21, 2007 | 91 MiB | iPhone1,1_1.0.2_1C28_Restore.ipsw |
| ✗ | iPhoneOS 1.0.1 (1C25) | July 31, 2007 | 91 MiB | iPhone1,1_1.0.1_1C25_Restore.ipsw |
| ✗ | iPhoneOS 1.0 (1A543a) | June 28, 2007 | 91 MiB | iPhone1,1_1.0_1A543a_Restore.ipsw |