iPadOS 9.3.1 (build 13E6238) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2016-03-31T16:50:30Z. The update package is 1.4 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: 7fb4aa86103da556f047dea7df4a7491a6f96c62.zip.