iPadOS 9.9.10.3.1 (build 14E304) is an official Apple over-the-air update for the iPad Air (China), released on 2017-04-03T16:59:49Z. The update package is 1.21 GB. This is a delta (partial) update that requires 9.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 17f87253d405c7ef74d2928e972f8cdb8ad1798f.zip.