iOS 12.0 (build 16A5288q) is an official Apple over-the-air update for the iPhone X (GSM), released on 2018-06-05T09:52:26Z. The update package is 1.35 GB. This is a delta (partial) update that requires 11.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 94400377b36c110ee750cc1a9c0ffc8a93bb924c.zip.