iPadOS 9.9.17.1.1 (build 21B91) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, Cellular, 1TB Model), released on 2023-11-07T21:29:28Z. The update package is 5.71 GB. This is a delta (partial) update that requires 12.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 202e70afdb393dab0f75f592874df95931244df4.zip.