iPadOS 9.9.17.0 (build 21A6329) is an official Apple over-the-air update for the iPad Pro (12.9-inch, Cellular) (6th generation), released on 2023-09-18T17:32:40Z. The update package is 5.67 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: 3c410e78ac32701ba30352acbb5c8155e4513122.zip.