iPadOS 12.0 (build 16A5365b) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2018-08-27T17:02:36Z. The update package is 50.5 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: 8d056718a0127a44b625056595ebb45ad32e7f4a.zip.