This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 31 October 2017 |
| Upload Date | 20 October 2017 |
| File Name | iPad_64bit_11.1_15B93_Restore.ipsw |
| File Size | 2.34 GB |
| SHA256sum | 5b23a4b3db784f0919007b4a34f3a7db36318eb694ec8f868bbf494613504655 |
| MD5sum | 5c37b11a6d0bf44f81b9fbd5ca172032 |
| SHA1sum | 88aebde924cd59f283989440a16894217946438c |
| Identifier | iPad4,4 |
cd ~/Downloads.idevicerestore -e iPad_64bit_11.1_15B93_Restore.ipsw and press Enter.