iOS 11.1.1 (build 15B150) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2017-11-09T18:11:49Z. The update package is 1.2 GB. This is a delta (partial) update that requires 10.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 79fc7b2791598258190fc8ad9376c35d5a1ceaab.zip.