iPadOS 11.0 (build 15A5327g) is an official Apple over-the-air update for the iPad Air (China), released on 2017-07-24T17:24:29Z. The update package is 287.56 MB. This is a delta (partial) update that requires 11.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b4f95b27b20d4c324ab57765c1cc11c34855dc8f.zip.