iPadOS 9.0.1 (build 13A404) is an official Apple over-the-air update for the iPad 2 (WiFi), released on 2015-09-23T17:55:14Z. The update package is 815.92 MB. This is a delta (partial) update that requires 8.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 76ac4937df644881c6e0c6ea7dd9d3a51b86c347.zip.