iPadOS 12.0.1 (build 16A404) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2018-10-08T17:08:53Z. The update package is 1.22 GB. This is a delta (partial) update that requires 11.2.6 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 1fe91c36c0181b3d79f8b85b99c284fb79f57d3f.zip.