iOS 12.0 (build 16A5308e) is an official Apple over-the-air update for the iPhone 6s, released on 2018-06-19T17:04:56Z. The update package is 556.52 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: ee9377c7bf5f04f8beb96328b12121b0cfb03b62.zip.