iOS 9.9.12.1.3 (build 16D6040) is an official Apple over-the-air update for the iPhone XS Max (China), released on 2019-01-22T18:03:27Z. The update package is 2.58 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: 1d3a81f96e38dfc0808258efb32ff0ddc645f820.zip.