iPadOS 9.1 (build 13B5130b) is an official Apple over-the-air update for the iPad 2 (CDMA), released on 2015-09-30T17:58:03Z. The update package is 980.34 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: 718019590fbd98bd5e2a607a1042e21fcaf097c4.zip.