This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 03 April 2017 |
| Upload Date | 01 April 2017 |
| File Name | iPadPro_12.9_10.3.1_14E304_Restore.ipsw |
| File Size | 2.33 GB |
| SHA256sum | ebb4b83550d848af8d81587d0391ac489f6c5ed17dbd467634ef5b12897d36bc |
| MD5sum | a5313ed1fae78c051d88a53cf38c055e |
| SHA1sum | 61a337784b61d5a82cad272844868b1ab4dd3702 |
| Identifier | iPad6,8 |
cd ~/Downloads.idevicerestore -e iPadPro_12.9_10.3.1_14E304_Restore.ipsw and press Enter.