iPadOS 9.0.1 (build 13A404) is an official Apple over-the-air update for the iPad 2 (Mid 2012), released on 2015-09-23T17:55:15Z. The update package is 24.7 MB. This is a delta (partial) update that requires 9.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ac40ce6683a1882a896590cc4097a5e4946effb8.zip.