iOS 9.9.12.1.1 (build 16C5043b) is an official Apple over-the-air update for the iPhone XS Max, released on 2018-11-07T21:08:59Z. The update package is 2.57 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: 1f41148e35c7e17a7f2575a80d68bf21991f21fc.zip.