iPadOS 8.4.1 (build 12H321) is an official Apple over-the-air update for the iPad mini 2 (Cellular), released on 2015-08-13T18:05:10Z. The update package is 771.97 MB. This is a delta (partial) update that requires 8.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 44ad29699ba71a9d9b22d4b844fd3a7f4fa5b398.zip.