iOS 12.0 (build 16A5327f) is an official Apple over-the-air update for the iPhone 6s+, released on 2018-07-17T17:06:16Z. The update package is 398.29 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: d02b28179d37acd11240a2ce9a1167fb131ff46f.zip.