iPadOS 10.2.1 (build 14D27) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2017-01-23T18:07:51Z. The update package is 337.08 MB. This is a delta (partial) update that requires 10.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d9258fc9bd2442e6568f55f7f20030797c273464.zip.