iPadOS 12.1 (build 16B92) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2018-10-30T17:07:27Z. The update package is 418.54 MB. This is a delta (partial) update that requires 12.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 88a7a26d4cdcf358c518079c1eec41322463acec.zip.