iPadOS 9.3 (build 13E233) is an official Apple over-the-air update for the iPad 2 (WiFi), released on 2016-03-21T18:55:27Z. The update package is 785.75 MB. This is a delta (partial) update that requires 8.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4544b3888315629d6bb3f9a70636fdf81ff004ed.zip.