iPadOS 12.1 (build 16B5077c) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2018-10-09T17:05:31Z. The update package is 362.5 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: 7d7181a37de78992469f6eb1d75a425e9efaf7ec.zip.