iPadOS 9.3 (build 13E237) is an official Apple over-the-air update for the iPad 2 (CDMA), released on 2016-03-28T16:49:56Z. The update package is 821.75 MB. This is a delta (partial) update that requires 8.1.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f947a2cc33a7c3c3ed42eb4dd0df087d5d338939.zip.