Signed IPSW files can be restored via iTunes. Unsigned IPSWs cannot currently be restored via iTunes.
| ✗ | iPhone 3G[S] | iOS 4.0 (8A293) | 17th June 2010 | 396 MB | iPhone2,1_4.0_8A293_Restore.ipsw |
| ✗ | iPhone 3G | iOS 4.0 (8A293) | 17th June 2010 | 306 MB | iPhone1,2_4.0_8A293_Restore.ipsw |
| ✗ | iPhone 4 (GSM) | iOS 4.0 (8A293) | 17th June 2010 | 607 MB | iPhone3,1_4.0_8A293_Restore.ipsw |
| ✗ | iPod touch 2G | iOS 4.0 (8A293) | 17th June 2010 | 330 MB | iPod2,1_4.0_8A293_Restore.ipsw |
| ✗ | iPod touch 3 | iOS 4.0 (8A293) | 17th June 2010 | 384 MB | iPod3,1_4.0_8A293_Restore.ipsw |