iPadOS 8.4 (build 12H4086d) is an official Apple over-the-air update for the iPad mini (GSM), released on 2015-04-27T17:47:03Z. The update package is 119.03 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: 6c05b5e44d0e89a0adfc948d8791ef87af60c9d0.zip.