iPadOS 9.9.12.4.5 (build 16G161) is an official Apple over-the-air update for the iPad Air (China), released on 2020-01-28T18:27:35Z. The update package is 2.06 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: 42e1e8730854472e09156be8765f83dfd4c60825.zip.