iOS 11.2 (build 15C114) is an official Apple over-the-air update for the iPhone X (GSM), released on 2017-12-02T08:12:44Z. The update package is 410.78 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: efb1af3076fa42f2e19dd68b4a7c18cdc45f8127.zip.