iPadOS 12.0 (build 16A5357b) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2018-08-15T17:06:30Z. The update package is 1.17 GB. This is a delta (partial) update that requires 11.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: cb14e238feb778726fe2b8261bbba8b8d527bf58.zip.