iPadOS 9.2.1 (build 13D15) is an official Apple over-the-air update for the iPad mini (GSM), released on 2016-01-19T17:59:06Z. The update package is 23.6 MB. This is a delta (partial) update that requires 9.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4a626d2cb84d0698ca0ea09eb2ffa2cb766b2eca.zip.