iPadOS 10.2.1 (build 14D27) is an official Apple over-the-air update for the iPad mini 3 (WiFi), released on 2017-01-23T18:07:35Z. The update package is 347.57 MB. This is a delta (partial) update that requires 10.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a36678255b10e11a1054ec400ef3a6452ca5883a.zip.