iPadOS 12.0 (build 16A366) is an official Apple over-the-air update for the iPad Air (Cellular), released on 2018-09-12T19:05:04Z. The update package is 1.19 GB. This is a delta (partial) update that requires 11.2.6 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 739f41635029779611bdb7d6603843c5aded4252.zip.