iOS 9.9.13.1.1 (build 17A854) is an official Apple over-the-air update for the iPhone XS Max, released on 2019-09-27T17:07:13Z. The update package is 3.25 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: 816483c2e467f844fcaa4d38cb659ff299bf054b.zip.