iPadOS 9.3.1 (build 13E6238) is an official Apple over-the-air update for the iPad 2 (WiFi), released on 2016-03-31T16:50:11Z. The update package is 976.98 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: dcd8c72f3e55f728ad16cf8f7ef43a53a9b36937.zip.