This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | Invalid Date |
| Upload Date | 09 August 2010 |
| File Name | iPod2,1_4.0.2_8A400_Restore.ipsw |
| File Size | 0.32 GB |
| SHA256sum | 6a279c391b81d5bd6ed51eebd8f15638112f922b5e9058de4166db8f9acc208a |
| MD5sum | e706efcf835de9fcf6f96c7a420a7a22 |
| SHA1sum | 06a42297d94461264eb64d7c8640cc5d1c19edeb |
| Identifier | iPod2,1 |
cd ~/Downloads.idevicerestore -e iPod2,1_4.0.2_8A400_Restore.ipsw and press Enter.