iPadOS 9.9.13.6 (build 17G5045c) is an official Apple over-the-air update for the iPad Pro 4 (12.9-inch, Cellular), released on 2020-06-09T17:28:05Z. The update package is 3.24 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: ad557870e9052966b04af10abaa14385649daf73.zip.