iPadOS 12.1 (build 16B5084a) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2018-10-15T17:03:07Z. The update package is 358.23 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: 73dcd07d7e2468a6e5187351f04bd0a0be9a9e7b.zip.