This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 03 October 2017 |
| Upload Date | 28 September 2017 |
| File Name | iPadPro_12.9_11.0.2_15A421_Restore.ipsw |
| File Size | 2.39 GB |
| SHA256sum | 9ca4fe8436094121acb4fc9b70b6958fe9cb306eb42b3baac45ec890ce7c3e4d |
| MD5sum | 517fa90333b5e599abf8fe0ea7c76214 |
| SHA1sum | 422731ee285610cc96da382c64017f9dd3581691 |
| Identifier | iPad6,8 |
cd ~/Downloads.idevicerestore -e iPadPro_12.9_11.0.2_15A421_Restore.ipsw and press Enter.