Signed IPSW files can be restored via Finder, the Apple Devices app, iTunes, or idevicerestore. Unsigned IPSWs cannot currently be restored to.
| ✓ | iPhone 2G | iPhoneOS 3.0.1 (7A400) | July 31, 2009 | 229 MiB | iPhone1,1_3.0.1_7A400_Restore.ipsw | Download |
| ✗ | iPhone 3GS | iPhoneOS 3.0.1 (7A400) | July 31, 2009 | 298 MiB | iPhone2,1_3.0.1_7A400_Restore.ipsw | Download |
| ✗ | iPhone 3G | iPhoneOS 3.0.1 (7A400) | July 31, 2009 | 230 MiB | iPhone1,2_3.0.1_7A400_Restore.ipsw | Download |