This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 13 December 2017 |
| Upload Date | 10 December 2017 |
| File Name | iPodtouch_11.2.1_15C153_Restore.ipsw |
| File Size | 2.20 GB |
| SHA256sum | 64597730362fa7168ecabfb1e387126dfa3ad10f640ead54f54f18678c87b5fb |
| MD5sum | 0c7aafbf6e451eabb77261bcedfb0126 |
| SHA1sum | 1b9805d44730a4bc5e6dfb76b55a1d248118ffb2 |
| Identifier | iPod7,1 |
cd ~/Downloads.idevicerestore -e iPodtouch_11.2.1_15C153_Restore.ipsw and press Enter.