iPadOS 10.2.1 (build 14D15) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2016-12-20T18:02:29Z. The update package is 59.65 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: 0b409ebb8669f9e3d8ab5021b3c7cbfc228afef0.zip.