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 314.03 MB. This is a delta (partial) update that requires 11.0.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b31725dd12e431bcd2c53d06d46ba44667e88e23.zip.