iPadOS 9.3.1 (build 13E6238) is an official Apple over-the-air update for the iPad 2 (CDMA), released on 2016-03-31T16:50:13Z. The update package is 993.06 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: 75ea2719822fea34c7427cab67545c0481143a3e.zip.