iPadOS 8.4 (build 12H4098c) is an official Apple over-the-air update for the iPad mini 3 (WiFi), released on 2015-05-11T17:46:05Z. The update package is 138.24 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: 6db07ddc6e0e64f61bf198736475f2d0c5af0f5b.zip.