iPadOS 9.2.1 (build 13D15) is an official Apple over-the-air update for the iPad mini 2 (Cellular), released on 2016-01-19T17:59:28Z. The update package is 1.14 GB. This is a delta (partial) update that requires 8.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 307d6de6679277e0e25dbd626a8348fbcd817cc4.zip.