iPadOS 9.0 (build 13A344) is an official Apple over-the-air update for the iPad 2 (CDMA), released on 2015-09-16T18:02:07Z. The update package is 819.09 MB. This is a delta (partial) update that requires 8.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 42e92c11a308d36ecefaf7ce960a2e23bc1e6a9e.zip.