iPadOS 9.9.16.4 (build 20E246) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2023-03-27T17:12:12Z. The update package is 4.01 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: aec7dbc88eb04646e6a09b93c78fb60c917f537f.zip.