iOS 9.9.13.1.1 (build 17A6854) is an official Apple over-the-air update for the iPhone XS, released on 2019-09-27T17:06:49Z. 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: 4fff9f6bacf2d2ee4ecdddd042c0a656f1ae72a1.zip.