iPadOS 9.0.1 (build 13A404) is an official Apple over-the-air update for the iPad 3 (WiFi), released on 2015-09-23T17:55:16Z. The update package is 1011.76 MB. This is a delta (partial) update that requires 8.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: dfe3485badac20e94e24efab028e5e240fc61725.zip.