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 303.33 MB. 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: 72379686ca9d4c513e174ad1f205bc7cf0b4b1a0.zip.