iPadOS 12.0 (build 16A5327f) is an official Apple over-the-air update for the iPad Air (WiFi), released on 2018-07-17T17:05:46Z. The update package is 376.75 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: 6711a005a66bb0744079018d443f6f86a7e86942.zip.