iPadOS 10.2.1 (build 14D23) is an official Apple over-the-air update for the iPad Air (Cellular), released on 2017-01-09T17:55:46Z. The update package is 55.43 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: af116e0a3b5c0ce4c9c81bed7b048f267fa49f31.zip.