iPadOS 9.3.1 (build 13E238) is an official Apple over-the-air update for the iPad 3 (CDMA), released on 2016-03-31T16:52:04Z. The update package is 340.79 MB. This is a delta (partial) update that requires 9.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d417806b79d270fbcf92ca872973274a5e426d4b.zip.