iPadOS 9.0 (build 13A4305g) is an official Apple over-the-air update for the iPad 2 (Mid 2012), released on 2015-07-21T19:26:03Z. The update package is 179.53 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: eeda4aecf34f64d0c258cdc38896ff76aa789c8b.zip.