iPadOS 10.2.1 (build 14D27) is an official Apple over-the-air update for the iPad Pro 9.7-inch (WiFi), released on 2017-01-23T18:07:49Z. The update package is 1.05 GB. This is a delta (partial) update that requires 9.3.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 136b9f07ed28838cb6c9a7e9a2d539d269159714.zip.