iOS 12.0 (build 16A5364a) is an official Apple over-the-air update for the iPhone 6s, released on 2018-08-23T20:08:03Z. The update package is 161.86 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: d871315b32310e6ad751cc360abd004fdcae8b44.zip.