iPadOS 10.3.1 (build 14E304) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2017-04-03T17:00:12Z. The update package is 733.76 MB. This is a delta (partial) update that requires 10.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ee3f8297c7b723919e3b114fabf66aa24065ac9d.zip.