iPadOS 9.2.1 (build 13D15) is an official Apple over-the-air update for the iPad mini 2 (Cellular), released on 2016-01-19T17:59:29Z. The update package is 1.37 GB. This is a delta (partial) update that requires 9.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a7cf703f723c92cf8bfa0960337c9760ec2208c6.zip.