iPadOS 8.4 (build 12H143) is an official Apple over-the-air update for the iPad mini (GSM), released on 2015-06-30T15:51:08Z. The update package is 421.44 MB. This is a delta (partial) update that requires 8.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f2d61cc4bd702e12ca0642173379aac16ce2aa58.zip.