iPadOS 9.2.1 (build 13D15) is an official Apple over-the-air update for the iPad mini 2 (WiFi), released on 2016-01-19T17:59:27Z. The update package is 1.11 GB. This is a delta (partial) update that requires 8.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 690e045ae7941c0932cbd5eb26b0cb44840282e2.zip.