iPadOS 9.9.14.8 (build 18H17) is an official Apple over-the-air update for the iPad Air 4 (WiFi), released on 2021-09-13T17:10:06Z. The update package is 3.7 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: 9f7ddc0e51b0fbe40cd57fb68af5feb18bea3b71.zip.