iPadOS 9.3 (build 13E233) is an official Apple over-the-air update for the iPad mini 2 (Cellular), released on 2016-03-21T18:55:55Z. The update package is 1.17 GB. 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: 05198aa21b7e9b41cb1303ba2c1962fac1a1ccd9.zip.