iPadOS 9.9.11.4 (build 15F79) is an official Apple over-the-air update for the iPad Air (China), released on 2018-05-29T17:13:15Z. The update package is 1.34 GB. This is a delta (partial) update that requires 9.3.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a0042057c3d97053eb9c7f6b51f5ed7fa6fafd67.zip.