iPadOS 9.9.17.1 (build 21B6074) is an official Apple over-the-air update for the iPad Pro (12.9-inch, Cellular) (6th generation), released on 2023-10-25T17:24:14Z. The update package is 5.7 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: 2302808914ae81198f8a301216f3d1f4c98ae9ed.zip.