Signed IPSW files can be restored via iTunes. Unsigned IPSWs cannot currently be restored via iTunes.
| ✗ | iOS 6.1.5 (10B400) | 15th November 2013 | 889 MB | iPod4,1_6.1.5_10B400_Restore.ipsw |
| ✗ | iOS 6.1.3 (10B329) | 13th March 2013 | 889 MB | iPod4,1_6.1.3_10B329_Restore.ipsw |
| ✗ | iOS 6.1.2 (10B146) | 16th February 2013 | 888 MB | iPod4,1_6.1.2_10B146_Restore.ipsw |
| ✗ | iOS 6.1 (10B144) | 24th January 2013 | 889 MB | iPod4,1_6.1_10B144_Restore.ipsw |
| ✗ | iOS 6.0.1 (10A523) | 29th October 2012 | 881 MB | iPod4,1_6.0.1_10A523_Restore.ipsw |
| ✗ | iOS 6.0 (10A403) | 14th September 2012 | 881 MB | iPod4,1_6.0_10A403_Restore.ipsw |
| ✗ | iOS 5.1.1 (9B206) | 27th April 2012 | 786 MB | iPod4,1_5.1.1_9B206_Restore.ipsw |
| ✗ | iOS 5.1 (9B176) | 29th February 2012 | 786 MB | iPod4,1_5.1_9B176_Restore.ipsw |
| ✗ | iOS 5.0.1 (9A405) | 8th November 2011 | 816 MB | iPod4,1_5.0.1_9A405_Restore.ipsw |
| ✗ | iOS 5.0 (9A334) | 7th October 2011 | 799 MB | iPod4,1_5.0_9A334_Restore.ipsw |
| ✗ | iOS 4.3.5 (8L1) | 21st July 2011 | 682 MB | iPod4,1_4.3.5_8L1_Restore.ipsw |
| ✗ | iOS 4.3.4 (8K2) | 14th July 2011 | 682 MB | iPod4,1_4.3.4_8K2_Restore.ipsw |
| ✗ | iOS 4.3.3 (8J2) | 2nd May 2011 | 682 MB | iPod4,1_4.3.3_8J2_Restore.ipsw |
| ✗ | iOS 4.3.2 (8H7) | 12th April 2011 | 682 MB | iPod4,1_4.3.2_8H7_Restore.ipsw |
| ✗ | iOS 4.3.1 (8G4) | 24th March 2011 | 682 MB | iPod4,1_4.3.1_8G4_Restore.ipsw |
| ✗ | iOS 4.3 (8F190) | 3rd March 2011 | 685 MB | iPod4,1_4.3_8F190_Restore.ipsw |
| ✗ | iOS 4.2.1 (8C148) | 18th November 2010 | 638 MB | iPod4,1_4.2.1_8C148_Restore.ipsw |
| ✗ | iOS 4.1 (8B118) | 21st September 2010 | 608 MB | iPod4,1_4.1_8B118_Restore.ipsw |
| ✗ | iOS 4.1 (8B117) | 31st August 2010 | 608 MB | iPod4,1_4.1_8B117_Restore.ipsw |