iPadOS 9.9.16.4.1 (build 20E252) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2023-04-07T17:13:00Z. The update package is 3.98 GB. This is a delta (partial) update that requires 10.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 29ffc8051dc9595fcc8e718d258a10fcbd0fa570.zip.