iPadOS 8.4 (build 12H143) is an official Apple over-the-air update for the iPad mini 2 (WiFi), released on 2015-06-30T15:51:13Z. The update package is 1.2 GB. This is a delta (partial) update that requires 7.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: fe8e0aeae568753861e3f3357e07400b6d1d75a9.zip.