iPadOS 9.1 (build 13B5119e) is an official Apple over-the-air update for the iPad 2 (CDMA), released on 2015-09-23T17:55:02Z. The update package is 992.75 MB. This is a delta (partial) update that requires null already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: cc22f7b1dade0d1b166ce773edd2bb3b02433a43.zip.