iOS 9.9.11.1 (build 15B92) is an official Apple over-the-air update for the iPhone 8 Plus (GSM), released on 2017-10-20T17:05:31Z. The update package is 1.96 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: dce94a0c564cc03d038e357f3d13cb50e6ecb45f.zip.