iPadOS 12.1 (build 16B92) is an official Apple over-the-air update for the iPad Pro 2 (12.9-inch, WiFi), released on 2018-10-30T17:07:00Z. The update package is 1.37 GB. This is a delta (partial) update that requires 11.0.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 16b3e852745e5bd2e939effa0c606d1d96103076.zip.