iOS 12.1 (build 16B5068i) is an official Apple over-the-air update for the iPhone X (Global), released on 2018-10-02T17:11:57Z. The update package is 317.17 MB. This is a delta (partial) update that requires 12.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 84650e87a108493ebe3f6dc99c2c4418d6b08707.zip.