iPadOS 9.3 (build 13E233) is an official Apple over-the-air update for the iPad 2 (Mid 2012), released on 2016-03-21T18:55:30Z. The update package is 820.96 MB. This is a delta (partial) update that requires 8.1.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 023b6fd705c338fa8ab604011c35814552d9be21.zip.