iOS 9.9.11.1 (build 15B92) is an official Apple over-the-air update for the iPhone 8 Plus (Global), released on 2017-10-20T17:05:30Z. The update package is 1.97 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: 70bc28429b479d88df6c0eb64fb8cd7a8662b50a.zip.