iPadOS 9.9.11.4 (build 15F6079) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2018-05-29T17:12:20Z. The update package is 1.74 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: 698f4a144d8acfadf099a211b6367530aed72a0e.zip.