Signed IPSW files can be restored via Finder, the Apple Devices app, iTunes, or idevicerestore. Unsigned IPSWs cannot currently be restored to.
| ✗ | iPhone 3G[S] | iOS 4.3.1 (8G4) | March 24, 2011 | 420 MiB | iPhone2,1_4.3.1_8G4_Restore.ipsw |
| ✗ | iPhone 4 (GSM) | iOS 4.3.1 (8G4) | March 24, 2011 | 666 MiB | iPhone3,1_4.3.1_8G4_Restore.ipsw |
| ✗ | iPod touch 3 | iOS 4.3.1 (8G4) | March 24, 2011 | 409 MiB | iPod3,1_4.3.1_8G4_Restore.ipsw |
| ✗ | iPod touch 4 | iOS 4.3.1 (8G4) | March 24, 2011 | 650 MiB | iPod4,1_4.3.1_8G4_Restore.ipsw |
| ✗ | iPad 1 | iOS 4.3.1 (8G4) | March 24, 2011 | 593 MiB | iPad1,1_4.3.1_8G4_Restore.ipsw |
| ✗ | iPad 2 (WiFi) | iOS 4.3.1 (8G4) | March 24, 2011 | 607 MiB | iPad2,1_4.3.1_8G4_Restore.ipsw |
| ✗ | iPad 2 (GSM) | iOS 4.3.1 (8G4) | March 24, 2011 | 614 MiB | iPad2,2_4.3.1_8G4_Restore.ipsw |
| ✗ | iPad 2 (CDMA) | iOS 4.3.1 (8G4) | March 24, 2011 | 621 MiB | iPad2,3_4.3.1_8G4_Restore.ipsw |