iOS 11.2 (build 15C114) is an official Apple over-the-air update for the iPhone 6, released on 2017-12-02T08:13:57Z. The update package is 1.12 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: 87c725b39fbc2318775a7d86f7e7dc8885e2751a.zip.