iPadOS 12.1 (build 16B5084a) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2018-10-15T17:03:14Z. The update package is 170.34 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: fee79ef9571b9c4dd488c1ca902775ea06adacec.zip.