iPadOS 9.9.13.3.1 (build 17D6050) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, Cellular, 1TB Model), released on 2020-01-28T18:27:14Z. The update package is 3.14 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2404f9a76cb2cf8d1e0c99854cf28b2fc8deadcb.zip.