iPadOS 9.2.1 (build 13D15) is an official Apple over-the-air update for the iPad mini (WiFi), released on 2016-01-19T17:59:02Z. The update package is 867.46 MB. This is a delta (partial) update that requires 8.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4e5004eff02bdc2d2d91e1cbde8b095383e89ff0.zip.