iPadOS 8.4.1 (build 12H321) is an official Apple over-the-air update for the iPad mini (Global), released on 2015-08-13T18:05:07Z. The update package is 413.84 MB. This is a delta (partial) update that requires 8.1 already installed. This update is currently signed by Apple, so it can be applied from Settings › General › Software Update.

Payload file: ae0b6cb467144549b0e6614e1c59cdfd5c82c8c2.zip.