iPadOS 8.4.1 (build 12H318) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2015-07-30T18:00:08Z. The update package is 56.28 MB. This is a delta (partial) update that requires 8.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e63ec04ea10d92828cf59b9bac80b41cd9c0d4d0.zip.