iPadOS 9.9.17.5.1 (build 21F90) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, WiFi, 1TB Model), released on 2024-05-20T17:23:18Z. The update package is 5.74 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: 451062481d8c26586f42e9ba264ddd78d66aa48d.zip.