iOS 11.2 (build 15C114) is an official Apple over-the-air update for the iPhone X (GSM), released on 2017-12-02T08:12:43Z. The update package is 410.75 MB. This is a delta (partial) update that requires 11.1.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9eda68d69d07f184d3fd7e7e290f2a22ce6d1825.zip.