iPadOS 10.2.1 (build 14D15) is an official Apple over-the-air update for the iPad Air (Cellular), released on 2016-12-20T18:02:23Z. The update package is 54.9 MB. This is a delta (partial) update that requires 10.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 201a04a37ce5c5426b00dae3128173488ad6c512.zip.