Signed IPSW files can be restored via Finder, the Apple Devices app, iTunes, or idevicerestore. Unsigned IPSWs cannot currently be restored to.
| ✗ | iPhone 4 (GSM) | iOS 4.0.1 (8A306) | July 13, 2010 | 579 MiB | iPhone3,1_4.0.1_8A306_Restore.ipsw | Download |
| ✗ | iPhone 3GS | iOS 4.0.1 (8A306) | July 13, 2010 | 378 MiB | iPhone2,1_4.0.1_8A306_Restore.ipsw | Download |
| ✗ | iPhone 3G | iOS 4.0.1 (8A306) | July 13, 2010 | 305 MiB | iPhone1,2_4.0.1_8A306_Restore.ipsw | Download |