iPadOS 9.9.16.5.1 (build 20F75) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2023-06-21T17:23:58Z. The update package is 3.98 GB. This is a delta (partial) update that requires 12.1.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e4798c25186bfa906616cba7f92c19fbe126f609.zip.