iPadOS 8.4 (build 12H4098c) is an official Apple over-the-air update for the iPad 3 (WiFi), released on 2015-05-11T17:46:03Z. The update package is 114.21 MB. 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: 71870e08901e1bb8caba6929b8751772c1ca372b.zip.