iPadOS 11.2 (build 15C5111a) is an official Apple over-the-air update for the iPad Air (China), released on 2017-11-28T18:00:39Z. The update package is 28.99 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: f1c5709323675149007ef30b8f86aa7de8ab69b9.zip.