iPadOS 12.0 (build 16A5365b) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2018-08-27T17:02:27Z. The update package is 60.87 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: 500b3f6cb152df2bdd5605a235a3bac6e528468a.zip.