This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | Invalid Date |
| Upload Date | 24 January 2013 |
| File Name | iPod4,1_6.1_10B144_Restore.ipsw |
| File Size | 0.83 GB |
| SHA256sum | 10d40721e5ca92bdd0ffaa9faac076f0a7ece265deb47a05abe98171dfe3d99d |
| MD5sum | b41c5b614983ea1c0696369fb0af5e17 |
| SHA1sum | 8bc0f54ef70cab0573b635fc56764397116d4d1b |
| Identifier | iPod4,1 |
cd ~/Downloads.idevicerestore -e iPod4,1_6.1_10B144_Restore.ipsw and press Enter.