iPadOS 12.0 (build 16A5364a) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2018-08-23T20:07:40Z. The update package is 41.43 MB. This is a delta (partial) update that requires 12.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 3e25e9b498c79dc12c8e0cf469ff0f86f15af037.zip.