iPadOS 11.2 (build 15C5110b) is an official Apple over-the-air update for the iPad Air (China), released on 2017-11-17T18:13:42Z. The update package is 29.61 MB. This is a delta (partial) update that requires 11.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 49aa5b079ab3b2e4f979f0e26603203e2d34dc45.zip.