iPadOS 9.3.1 (build 13E238) is an official Apple over-the-air update for the iPad 3 (CDMA), released on 2016-03-31T16:51:57Z. The update package is 937.98 MB. This is a delta (partial) update that requires 8.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e817e274acaffb8e38296be6ca3a038369426954.zip.