iPadOS 10.2.1 (build 14D27) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2017-01-23T18:07:55Z. The update package is 310.04 MB. This is a delta (partial) update that requires 10.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ee92639c4bc198aaf97c21fd63988f1696c31a8a.zip.