iPadOS 9.9.16.4.1 (build 20E252) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, WiFi, 1TB Model), released on 2023-04-07T17:13:29Z. The update package is 4.73 GB. This is a delta (partial) update that requires 12.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e2ed32e8cc5a6e1b0e1de7e4ce8cd7c5b4c78511.zip.