iPadOS 12.1.1 (build 16C5043b) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, Cellular), released on 2018-11-07T21:08:47Z. The update package is 302.2 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: 4643a29be7a7efc67438675e86d466605deaef03.zip.