iPadOS 9.9.13.3 (build 17C5053a) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2019-12-05T21:11:07Z. The update package is 2.75 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: 68245b41f0820cedfaa15575e5f0a635104ae808.zip.