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 2018-12-05T18:09:19Z. The update package is 1.8 GB. This is a delta (partial) update that requires 10.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b32d04951ddcaee5007febb86df6b7250b4a8755.zip.