iPadOS 8.4 (build 12H143) is an official Apple over-the-air update for the iPad mini 3 (Cellular), released on 2015-06-30T15:51:15Z. The update package is 1.52 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: ee9db471430d23cd30cdc03dfb63c158402704c6.zip.