iPadOS 9.9.11.4.1 (build 15G77) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2018-07-09T17:07:51Z. 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: 44dc1e7ad5e77f9e69e1b6aec1435f9b4c05d7c0.zip.