iPadOS 12.0 (build 16A5288q) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2018-06-05T09:51:57Z. The update package is 1.14 GB. This is a delta (partial) update that requires 11.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 488ebd2f9d9fcb5005df25d74e5106a94a93535d.zip.