iOS 11.2 (build 15C114) is an official Apple over-the-air update for the iPhone 7 (Global), released on 2017-12-02T08:14:56Z. The update package is 391.7 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: 8f2f38bd483b967d12d139ce4b11fcca69d9cb8e.zip.