iPadOS 8.0 (build 12A365) is an official Apple over-the-air update for the iPad Air (Cellular), released on 2014-09-17T17:54:03Z. The update package is 1.3 GB. This is a delta (partial) update that requires 7.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b2820490a37c5c16b51ec71a69f8bf73bb53c1bf.zip.