iPadOS 12.1 (build 16B92) is an official Apple over-the-air update for the iPad Pro 2 (12.9-inch, WiFi), released on 2018-10-30T17:06:59Z. 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: c124b8f347f5de458198163aa2f76a16d123f376.zip.