iPadOS 10.2.1 (build 14D27) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2017-01-23T18:07:50Z. The update package is 337.34 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: 590044789ffbde5a0ebf713fb40c49613d98a888.zip.