This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 22 July 2019 | 
| Upload Date | 15 July 2019 | 
| File Name | iPad_Fall_2018_12.4_16G77_Restore.ipsw | 
| File Size | 3.52 GB | 
| SHA256sum | f2dab83d29c6f9ea56a5e3bb0aeb09e8703a214a5e85fe7de6f62e790d3cd7d6 | 
| MD5sum | e2d2f2b2346ab5f0d01e80ffe3f1c4ba | 
| SHA1sum | 2c4262a52f08239b00726ec2b5adca93deb7583b | 
| Identifier | iPad8,5 | 
cd ~/Downloads.idevicerestore -e iPad_Fall_2018_12.4_16G77_Restore.ipsw and press Enter.