iPadOS 9.9.17.4 (build 21E219) is an official Apple over-the-air update for the iPad Air 4 (WiFi), released on 2024-03-05T18:17:08Z. 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: e636e7d21e2e795f769ba3dca2d9b3fc65819962.zip.