iPadOS 12.1.1 (build 16C5050a) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, Cellular), released on 2018-11-15T18:04:45Z. The update package is 133.33 MB. This is a delta (partial) update that requires 12.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4b1f7282579f59e457c2fe19c1acf38805b684d8.zip.