iPadOS 9.9.12.1 (build 16B6092) is an official Apple over-the-air update for the iPad Air (China), released on 2018-10-30T17:03:54Z. The update package is 2 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: 4ab8809400730e7afcbb266612e771c04ef05842.zip.