iPadOS 9.9.10.2.1 (build 14D27) is an official Apple over-the-air update for the iPad Air (China), released on 2017-01-23T18:07:24Z. The update package is 1.38 GB. This is a delta (partial) update that requires 8.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7d3231a3e7e1999693a1a6b0ae8ecc70990eba7d.zip.