iPadOS 9.9.11.3 (build 15E6216) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2018-03-29T17:04:41Z. The update package is 1.76 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: 642a95a0c084a777e13dde8b3e95fe54a8220a75.zip.