iPadOS 8.4 (build 12H143) is an official Apple over-the-air update for the iPad mini 2 (WiFi), released on 2015-06-30T15:51:14Z. The update package is 1.45 GB. This is a delta (partial) update that requires null already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f1c048c8119de5c5dd642399d7f63de3d2f05497.zip.