iPadOS 9.3 (build 13E237) is an official Apple over-the-air update for the iPad 2 (Mid 2012), released on 2016-03-28T16:50:06Z. The update package is 825.91 MB. This is a delta (partial) update that requires 8.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 6601155c6b690b98ac5f7200c5b418d96f0b370c.zip.