iPadOS 8.0 (build 12A365) is an official Apple over-the-air update for the iPad 4 (Global), released on 2014-09-17T17:54:03Z. The update package is 1.1 GB. This is a delta (partial) update that requires 7.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 6acf0ad68e539fdef77ec1af1dfdd4747580463f.zip.