iPadOS 10.2.1 (build 14D23) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2017-01-09T17:55:52Z. The update package is 60.22 MB. This is a delta (partial) update that requires 10.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: dcb1c086167f1dd3b6a6d0fb36b35f32c112e9e2.zip.