iOS 12.0 (build 16A5365b) is an official Apple over-the-air update for the iPhone 6s, released on 2018-08-27T17:02:54Z. The update package is 62.23 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: c2fadb12983604d832e30b74e7f0ed0a01e290ab.zip.