iPadOS 12.1 (build 16B92) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2018-10-30T17:07:24Z. The update package is 1.3 GB. This is a delta (partial) update that requires 11.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 63940812404929559504c75106b8ef8a55846c30.zip.