iPadOS 9.9.16.4 (build 20E246) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, WiFi, 1TB Model), released on 2023-03-27T17:12:18Z. 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: 9f7fb59baee679284fca1f72acd3a4f12ef73966.zip.