iPadOS 8.4 (build 12H4098c) is an official Apple over-the-air update for the iPad mini 2 (Cellular), released on 2015-05-11T17:46:05Z. The update package is 135.45 MB. This is a delta (partial) update that requires 8.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d1e426f564e631659024d8336c46a0c1dbf92239.zip.