iPadOS 9.3 (build 13E6233) is an official Apple over-the-air update for the iPad 2 (WiFi), released on 2016-03-21T18:55:11Z. The update package is 976.96 MB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 288e457af29f0f6235d234380791c3dad826455e.zip.