iPadOS 9.9.13.6 (build 17G5059c) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, WiFi, 1TB Model), released on 2020-06-30T17:22:50Z. The update package is 3.26 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: 7ff1bf241ea944a725350727da4e044c9c03513c.zip.