iOS 11.2 (build 15C114) is an official Apple over-the-air update for the iPhone 6+, released on 2017-12-02T08:13:38Z. The update package is 315.88 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: 29c126275403f090bd16c9a6bbdb704c5f0a0032.zip.