iOS 11.2 (build 15C5110b) is an official Apple over-the-air update for the iPhone X (GSM), released on 2017-11-17T18:14:03Z. The update package is 45.44 MB. This is a delta (partial) update that requires 11.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: fafc430f06048ba805e3a2a2e101439a36679b26.zip.