iPadOS 12.1 (build 16B5084a) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2018-10-15T17:03:08Z. The update package is 167.26 MB. This is a delta (partial) update that requires 12.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d2f5fc7ce412e9d1ca65f5d3693d8c7e671dbc70.zip.