iPadOS 9.3 (build 13E233) is an official Apple over-the-air update for the iPad 2 (CDMA), released on 2016-03-21T18:55:29Z. The update package is 760.53 MB. This is a delta (partial) update that requires 8.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 72bfe4d3fc5067f7dfd2d6fce97422ae48599415.zip.