iOS 11.2 (build 15C114) is an official Apple over-the-air update for the iPhone 6s+, released on 2017-12-02T08:14:31Z. The update package is 504.64 MB. This is a delta (partial) update that requires 11.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: bb50ad3cb9bf1a53b4eb534b44bc961f9003a240.zip.