iPadOS 12.1.1 (build 16C50) is an official Apple over-the-air update for the iPad Pro 2 (12.9-inch, Cellular), released on 2018-12-05T18:09:23Z. The update package is 451.06 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: 7d0f4a23444ed938761bb92911da0a70665f0b4e.zip.