iOS 11.2 (build 15C114) is an official Apple over-the-air update for the iPhone 6, released on 2017-12-02T08:13:58Z. The update package is 310.57 MB. This is a delta (partial) update that requires 11.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e00d7b5505e3be9d4a3d7bdc838f282750ab4010.zip.