iOS 11.2.5 (build 15D60) is an official Apple over-the-air update for the iPhone X (GSM), released on 2018-01-23T18:29:26Z. The update package is 458.02 MB. This is a delta (partial) update that requires 11.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e9fabdd9df4ceb23df75d9377e5514d3d746a328.zip.