Signed IPSW files can be restored via Finder, the Apple Devices app, iTunes, or idevicerestore. Unsigned IPSWs cannot currently be restored to.
| ✗ | iPod touch 3 | iOS 4.0 (8A293) | June 17, 2010 | 366 MiB | iPod3,1_4.0_8A293_Restore.ipsw | Download |
| ✗ | iPod touch 2G | iOS 4.0 (8A293) | June 17, 2010 | 315 MiB | iPod2,1_4.0_8A293_Restore.ipsw | Download |
| ✗ | iPhone 4 (GSM) | iOS 4.0 (8A293) | June 17, 2010 | 579 MiB | iPhone3,1_4.0_8A293_Restore.ipsw | Download |
| ✗ | iPhone 3GS | iOS 4.0 (8A293) | June 17, 2010 | 378 MiB | iPhone2,1_4.0_8A293_Restore.ipsw | Download |
| ✗ | iPhone 3G | iOS 4.0 (8A293) | June 17, 2010 | 292 MiB | iPhone1,2_4.0_8A293_Restore.ipsw | Download |