iPadOS 9.9.17.1.1 (build 21B6091) is an official Apple over-the-air update for the iPad Pro (12.9-inch, WiFi) (6th generation), released on 2023-11-07T21:28:16Z. 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: 26152f0b6963c160dec229c1b4bf96c61b9a8e85.zip.