iOS 12.0 (build 16A5362a) is an official Apple over-the-air update for the iPhone X (GSM), released on 2018-08-20T17:05:23Z. The update package is 1.42 GB. This is a delta (partial) update that requires 11.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 436e188804cf622a04121f4a1863853479487fbd.zip.