This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 24 May 2019 | 
| Upload Date | 22 May 2019 | 
| File Name | iPad_Fall_2018_12.3.1_16F203_Restore.ipsw | 
| File Size | 3.51 GB | 
| SHA256sum | 25fe123ed1a71fc29a6150d1edad6bef9e9585ade5ffe8d6ddf590655662c688 | 
| MD5sum | e68ea5e398d05256880acbc924e38ff6 | 
| SHA1sum | 8b5f71cf9f1c2f0e3ed8b2578b0e14c4fa2d3e2c | 
| Identifier | iPad8,3 | 
cd ~/Downloads.idevicerestore -e iPad_Fall_2018_12.3.1_16F203_Restore.ipsw and press Enter.