iPadOS 10.2.1 (build 14D27) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2017-01-23T18:07:54Z. The update package is 332.91 MB. This is a delta (partial) update that requires 10.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 69084f4dfbd7b6386460d94fbebc2b39a7d794f9.zip.