iPadOS 9.9.11.3.1 (build 15E6302) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2018-04-24T17:04:10Z. 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: 08fe3d081037e38cb2e40c5d44fb905562921e6b.zip.