iPadOS 9.0 (build 13A344) is an official Apple over-the-air update for the iPad 4 (Global), released on 2015-09-16T18:02:10Z. The update package is 1005.29 MB. This is a delta (partial) update that requires 8.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9dc2cc1701ae76d7fdeb6c2c5d3de4b1ff891539.zip.