iOS 12.0.1 (build 16A404) is an official Apple over-the-air update for the iPhone 6s+, released on 2018-10-08T17:10:34Z. The update package is 1.34 GB. This is a delta (partial) update that requires 11.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e4112b6dc60959900c5dfcc7bcb178b243276652.zip.