iOS 9.9.12.1.1 (build 16C6050) is an official Apple over-the-air update for the iPhone XS Max (China), released on 2018-12-05T18:06:43Z. 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: 58fcaf173838a8cdd7e004c9114894268b9462f7.zip.