iOS 11.1.1 (build 15B150) is an official Apple over-the-air update for the iPhone 7 Plus (GSM), released on 2017-11-09T18:12:07Z. The update package is 296.83 MB. This is a delta (partial) update that requires 11.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c665f70f54b2245d9da6ed7e3c9837fac9fe26a4.zip.