iPadOS 10.2.1 (build 14D27) is an official Apple over-the-air update for the iPad mini 4 (WiFi), released on 2017-01-23T18:07:41Z. The update package is 326.03 MB. This is a delta (partial) update that requires 10.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 53ddcd4843d30c2ad64216d7e0eb6a10b7f9dc8d.zip.