iPadOS 10.2.1 (build 14D27) is an official Apple over-the-air update for the iPad Air (China), released on 2017-01-23T18:07:25Z. The update package is 1.04 GB. 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: 4f87ec37c78090087b6b8fd02adf15bef41a9abe.zip.