iPadOS 12.1 (build 16B5077c) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2018-10-09T17:05:37Z. The update package is 387.7 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: deb7ced85397074e119e0dcb71bdc1cede2e7c23.zip.