iOS 11.2 (build 15C114) is an official Apple over-the-air update for the iPhone 7 (Global), released on 2017-12-02T08:14:55Z. The update package is 581.4 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: 4b47b854a90c83ef183554a35a674db289a78cda.zip.