iPadOS 12.0 (build 16A366) is an official Apple over-the-air update for the iPad Air (WiFi), released on 2018-09-12T19:04:54Z. The update package is 1.22 GB. This is a delta (partial) update that requires 11.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b8f27d20cb053d781bb2c9985e8050acac3ac42a.zip.