iPadOS 12.1 (build 16B5077c) is an official Apple over-the-air update for the iPad Pro 2 (12.9-inch, WiFi), released on 2018-10-09T17:05:34Z. The update package is 387.7 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: e411cec6c6c1013b9cd5560199f545bc807043ad.zip.