iPadOS 10.2.1 (build 14D27) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2017-01-23T18:07:52Z. The update package is 1.08 GB. This is a delta (partial) update that requires 9.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 94f8902670c89fc9d8557eda94b63c028d2d49e6.zip.