iOS 12.0 (build 16A5354b) is an official Apple over-the-air update for the iPhone 6s, released on 2018-08-13T17:03:59Z. The update package is 292.68 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: da07e4fc2865aad81cd3d68325d6d915694920a0.zip.