iPadOS 12.1.1 (build 16C50) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2018-12-05T18:09:35Z. The update package is 278.71 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: 99981aac5dfa18c5dcd16cc7a74c1968949701b3.zip.