iPadOS 9.3 (build 13E233) is an official Apple over-the-air update for the iPad mini 3 (WiFi), released on 2016-03-21T18:56:01Z. The update package is 270.5 MB. This is a delta (partial) update that requires 9.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: dd3d40cc63a5e30b62600ddec6ce65928b5c8b9d.zip.