iOS 9.9.13.1.1 (build 17A6854) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2019-09-27T17:06:49Z. The update package is 2.77 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: 5e4c91bdc3c614634b06cf529e4c19696d506597.zip.