iOS 12.0 (build 16A5354b) is an official Apple over-the-air update for the iPhone X (GSM), released on 2018-08-13T17:03:53Z. The update package is 344.81 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: e42dcd14d1986a00b09a765a93acf89fb6629f5d.zip.