iPadOS 8.4.1 (build 12H321) is an official Apple over-the-air update for the iPad mini 3 (China), released on 2015-08-13T18:05:12Z. The update package is 429.09 MB. This is a delta (partial) update that requires 8.1.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: bd3b6462cddad04b7b4e1459f4a5cb8fc56a1b31.zip.