iPadOS 12.0 (build 16A366) is an official Apple over-the-air update for the iPad Air (WiFi), released on 2018-09-12T19:04:55Z. The update package is 1.21 GB. This is a delta (partial) update that requires 11.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a0ee5094052176bcb972bd5c68aa3e544ed19ded.zip.