iPadOS 9.9.17.1 (build 21B74) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2023-10-25T17:25:19Z. The update package is 4.85 GB. This is a delta (partial) update that requires 10.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: fe7a7c22408836952b180dfbbfad02a7bbf66299.zip.