This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | Invalid Date |
| Upload Date | 29 February 2012 |
| File Name | iPod3,1_5.1_9B176_Restore.ipsw |
| File Size | 0.64 GB |
| SHA256sum | f5111a22d67fd19be2eeb0f9ff655bda4ae38fe921b3f9359a793a0d5023c51b |
| MD5sum | ec5debe71307ce8926499029ad35a450 |
| SHA1sum | 590f68b528e2ce04030528d112df6f958c333e4b |
| Identifier | iPod3,1 |
cd ~/Downloads.idevicerestore -e iPod3,1_5.1_9B176_Restore.ipsw and press Enter.