iPadOS 12.2 (build 16E5201e) is an official Apple over-the-air update for the iPad Air (China), released on 2019-02-19T18:06:35Z. The update package is 612.7 MB. This is a delta (partial) update that requires 12.1.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2011c3a82a1e18aee9df7c78d34d415fc9f4f936.zip.