iPadOS 11.0 (build 15A5304i) is an official Apple over-the-air update for the iPad Air (China), released on 2017-06-21T20:09:50Z. The update package is 339.56 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: bc698e76b90609fb5b6dc62e88f33dd3f7211ac1.zip.