iPadOS 8.4.1 (build 12H5321) is an official Apple over-the-air update for the iPad mini 2 (WiFi), released on 2015-08-13T18:05:02Z. The update package is 1.45 GB. This is a delta (partial) update that requires 8.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 79efca6530141f0138f2be92ee761d6a274db104.zip.