iPadOS 9.9.11.1 (build 15B93) is an official Apple over-the-air update for the iPad Air (China), released on 2017-10-23T17:01:36Z. The update package is 1.43 GB. This is a delta (partial) update that requires 8.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 451cba0ab7daea62c6fffadc786101c43d88466d.zip.