iPadOS 12.0 (build 16A366) is an official Apple over-the-air update for the iPad Air (Cellular), released on 2018-09-12T19:04:58Z. The update package is 1.57 GB. This is a delta (partial) update that requires 10.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 3a0be58d680053369dc54591c7e5fab2086b286e.zip.