This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 01 October 2021 | 
| Upload Date | 29 September 2021 | 
| File Name | iPad_Pro_A12X_A12Z_15.0.1_19A348_Restore.ipsw | 
| File Size | 6.09 GB | 
| SHA256sum | e92c853bd15f2105018cf60fb04ec6341daadb2d3d1fc0dda90a4c6d5459b1a8 | 
| MD5sum | 41c8640bcf74889665eb99d32da50704 | 
| SHA1sum | 0c403b3e15a702fd131ae768beed07077e67e6e5 | 
| Identifier | iPad8,9 | 
cd ~/Downloads.idevicerestore -e iPad_Pro_A12X_A12Z_15.0.1_19A348_Restore.ipsw and press Enter.