iPadOS 9.9.16.6.1 (build 20G81) is an official Apple over-the-air update for the iPad Pro (12.9-inch, Cellular) (6th generation), released on 2023-09-07T18:00:00Z. The update package is 4.7 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: a126a086566cdb7fe7e080555fd06e5a0fad48cc.zip.