This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 03 May 2021 | 
| Upload Date | 27 April 2021 | 
| File Name | iPad_Pro_A12X_A12Z_14.5.1_18E212_Restore.ipsw | 
| File Size | 5.43 GB | 
| SHA256sum | 4a6e29b891929845a9612b44d2b3a817c131e9e182e4f3a6d561c9933ef18566 | 
| MD5sum | f9c94c0342d62de8983ea0f9eeb63235 | 
| SHA1sum | 4886e5514e9280d759d23bcc1b53d7bdfb77e938 | 
| Identifier | iPad8,5 | 
cd ~/Downloads.idevicerestore -e iPad_Pro_A12X_A12Z_14.5.1_18E212_Restore.ipsw and press Enter.