iPadOS 8.0 (build 12A4331d) is an official Apple over-the-air update for the iPad Air (WiFi), released on 2014-07-21T17:54:04Z. The update package is 283.21 MB. This is a delta (partial) update that requires 8.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 057c8f915015471bde9ab60cb916e06ced2cb5a4.zip.