iPadOS 9.2.1 (build 13D15) is an official Apple over-the-air update for the iPad mini (GSM), released on 2016-01-19T17:59:05Z. The update package is 884.9 MB. 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: 0d0306b67136ab33f8fe9f0e265ed7ab12bbdff5.zip.