This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 13 May 2019 |
| Upload Date | 08 May 2019 |
| File Name | iPad_Spring_2019_12.3_16F156_Restore.ipsw |
| File Size | 3.06 GB |
| SHA256sum | 7ec7c7fad58ad3271203ac625e265eb9380195e3417ebd45c5c7c62752c0adc0 |
| MD5sum | fd9cffe4e72739f3ff6cd2b3623f57be |
| SHA1sum | 2564434b441ba90b42aefc215da52fbc59b05e6b |
| Identifier | iPad11,3 |
cd ~/Downloads.idevicerestore -e iPad_Spring_2019_12.3_16F156_Restore.ipsw and press Enter.