iPadOS 9.3 (build 13E237) is an official Apple over-the-air update for the iPad Air (Cellular), released on 2016-03-28T16:51:28Z. The update package is 1.17 GB. This is a delta (partial) update that requires 8.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 62f328f700de19651bbc00c91cf81e1137c561c7.zip.