This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 20 October 2014 |
| Upload Date | 16 October 2014 |
| File Name | iPod5,1_8.1_12B411_Restore.ipsw |
| File Size | 1.64 GB |
| SHA256sum | dc929f16de2002ad912351b3032fb518ac41e82c890a145223b1938abdb2422b |
| MD5sum | 7bb003a8d6917b13dbb23d03fab3dba7 |
| SHA1sum | b1383a5563cf3c1991672d24608fb5a4a89295d3 |
| Identifier | iPod5,1 |
cd ~/Downloads.idevicerestore -e iPod5,1_8.1_12B411_Restore.ipsw and press Enter.