This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 29 March 2018 |
| Upload Date | 16 March 2018 |
| File Name | iPadPro_12.9_11.3_15E216_Restore.ipsw |
| File Size | 2.46 GB |
| SHA256sum | ec2d0b83fee575f3a6fbb029430a6e878a6b7a336b6ebd98cf0e8eed1e008990 |
| MD5sum | 67b88cf5311725dbee8c970c5492604c |
| SHA1sum | 155bec53601d2a46f81348bc6fa5a85d88e218b9 |
| Identifier | iPad6,8 |
cd ~/Downloads.idevicerestore -e iPadPro_12.9_11.3_15E216_Restore.ipsw and press Enter.