iPadOS 9.3.1 (build 13E238) is an official Apple over-the-air update for the iPad 2 (GSM), released on 2016-03-31T16:50:52Z. The update package is 756.16 MB. This is a delta (partial) update that requires 8.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: dbab19ad2f9355c22b65c6c94c0007146d0e5443.zip.