This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 15 July 2020 | 
| Upload Date | 06 July 2020 | 
| File Name | iPad_Spring_2020_13.6_17G68_Restore.ipsw | 
| File Size | 3.96 GB | 
| SHA256sum | 8795ea2eddc82ad6ee0ede95c8b24c378625e6a23d3341679dbc7877ac335a0f | 
| MD5sum | d0350220f997e59d2895c155ecc14848 | 
| SHA1sum | 1b36a80e85cd64c8332c64c74e6f2ac4e285a327 | 
| Identifier | iPad8,9 | 
cd ~/Downloads.idevicerestore -e iPad_Spring_2020_13.6_17G68_Restore.ipsw and press Enter.