iPadOS 9.9.16.4 (build 20E246) is an official Apple over-the-air update for the iPad Air 4 (WiFi), released on 2023-03-27T17:11:13Z. The update package is 4.41 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: dff6792e59440250afdbe24b78f0f1def1c13c98.zip.