iPadOS 8.4 (build 12H143) is an official Apple over-the-air update for the iPad mini (GSM), released on 2015-06-30T15:51:09Z. The update package is 160.06 MB. This is a delta (partial) update that requires 8.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 3ec866f9fd4c906fe30dea6b898e738399c305e4.zip.