iPadOS 9.0 (build 13A344) is an official Apple over-the-air update for the iPad 2 (Mid 2012), released on 2015-09-16T18:02:07Z. The update package is 815.35 MB. This is a delta (partial) update that requires 8.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ecb143727e9a95fd8a68db08b9fec844474ac119.zip.