iPadOS 9.9.11.4 (build 15F6079) is an official Apple over-the-air update for the iPad Air (China), released on 2018-05-29T17:12:19Z. The update package is 1.73 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 04409a0b2d397f84e9f0f3473f5af2f0d4d5e5a6.zip.