iOS 11.1.2 (build 15B202) is an official Apple over-the-air update for the iPhone 6+, released on 2017-11-16T21:21:10Z. The update package is 241.7 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: 6698ae44187b22f149402f9654f85d20d8babbad.zip.