iPadOS 9.9.13.6.1 (build 17G80) is an official Apple over-the-air update for the iPad Pro 4 (11-inch, Cellular), released on 2020-08-12T20:32:48Z. The update package is 3.15 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: 419800c13931adfd9c115cd988e05b5ba4991a4c.zip.