iPadOS 9.9.13.5.1 (build 17F6080) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2020-06-01T17:10:19Z. The update package is 2.68 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: cad5a23943d772254fa3b8581f263334a92c5019.zip.