iOS 11.2 (build 15C114) is an official Apple over-the-air update for the iPhone 6, released on 2017-12-02T08:14:02Z. The update package is 310.55 MB. This is a delta (partial) update that requires 11.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b7298798915328fe6e0bd7f37a74e469caddaf83.zip.