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 388.79 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: 186554cb4e2bd91a5dd861ffa8d990e16c4b754d.zip.