iPadOS 12.0 (build 16A5365b) is an official Apple over-the-air update for the iPad Air (Cellular), released on 2018-08-27T17:02:12Z. The update package is 53.32 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: 8a56e3463a8794fee4494b975cdf0213d87265f4.zip.