iOS 11.1.1 (build 15B150) is an official Apple over-the-air update for the iPhone 8 Plus (Global), released on 2017-11-09T18:09:00Z. The update package is 51.01 MB. This is a delta (partial) update that requires 11.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2523581dac2b8d2046808edc469897b842b1258b.zip.