iPadOS 9.3.1 (build 13E238) is an official Apple over-the-air update for the iPad 2 (CDMA), released on 2016-03-31T16:51:07Z. The update package is 255.46 MB. This is a delta (partial) update that requires 9.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 5ad581accba92c93294dff462171cbf1af144d7c.zip.