iPadOS 8.4 (build 12H5143) is an official Apple over-the-air update for the iPad mini (WiFi), released on 2015-06-30T15:51:01Z. The update package is 1.05 GB. 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: e1143348e5f06a7e982a43275efc23aaf44aecb5.zip.