iPadOS 9.3.3 (build 13G21) is an official Apple over-the-air update for the iPad Air (Cellular), released on 2016-06-06T16:46:45Z. The update package is 43.16 MB. This is a delta (partial) update that requires 9.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 40cf05d5e0b916cda0ce1c3f72ae3bc5d643833d.zip.