iPadOS 10.2.1 (build 14D27) is an official Apple over-the-air update for the iPad Air (WiFi), released on 2017-01-23T18:07:22Z. The update package is 322.14 MB. This is a delta (partial) update that requires 10.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7a48c481fe207df9e8e441996007d3db8acde94f.zip.