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 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: 16a4d8bc466db74d91bf0463c4316c73622b6d18.zip.