iPadOS 9.9.17.4.1 (build 21E6236) is an official Apple over-the-air update for the iPad Air 4 (Cellular), released on 2024-03-21T17:20:03Z. The update package is 5.39 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: f539196a1a212930c3e8c78daf8f914099251cb3.zip.