iPadOS 9.9.16.5 (build 20F66) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2023-05-18T17:13:34Z. The update package is 3.99 GB. This is a delta (partial) update that requires 11.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a147c53356bf878ffdbde447cecb2a2159047f54.zip.