iOS 9.9.12.0 (build 16A366) is an official Apple over-the-air update for the iPhone XS Max, released on 2018-09-12T19:09:56Z. 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: 47b192e9f824361d5acd4a30f0d7f1235ea7955c.zip.