iPadOS 12.0 (build 16A5362a) is an official Apple over-the-air update for the iPad 6 (Cellular), released on 2018-08-20T17:05:18Z. The update package is 1.24 GB. This is a delta (partial) update that requires 11.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 90e8b0d42e4313864910edc6a17d27286624faba.zip.