iOS 12.1 (build 16B92) is an official Apple over-the-air update for the iPhone X (Global), released on 2018-10-30T17:15:51Z. The update package is 452.94 MB. This is a delta (partial) update that requires 12.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 43514a817c0a66d2af31c7e7d305d3d56422bb15.zip.