iPadOS 9.0 (build 13A344) is an official Apple over-the-air update for the iPad 2 (GSM), released on 2015-09-16T18:02:07Z. The update package is 816.66 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: 1253b4b5636cbc3ed665a1bc82cc1575d0dd5ab0.zip.