iPadOS 8.4.1 (build 12H318) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2015-07-30T18:00:08Z. The update package is 53.06 MB. 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: 45f82c3486b1675ef9a944bb86d36712034d0597.zip.