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 743.43 MB. This is a delta (partial) update that requires 8.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e3b320047de5c7111390fe0ae2c2af1dc3813b80.zip.