iPadOS 9.9.17.4 (build 21E219) is an official Apple over-the-air update for the iPad Pro 4 (12.9-inch, WiFi), released on 2024-03-05T18:18:09Z. The update package is 5.69 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a994de1a74ec8efe74f6ee51640950c56a29f01a.zip.