iPadOS 12.1 (build 16B92) is an official Apple over-the-air update for the iPad Pro 2 (12.9-inch, Cellular), released on 2018-10-30T17:07:11Z. The update package is 423.07 MB. This is a delta (partial) update that requires 12.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c26aa57cab85a3c6db1b9f97480d30106adc3566.zip.