iPadOS 9.3 (build 13E237) is an official Apple over-the-air update for the iPad mini 2 (Cellular), released on 2016-03-28T16:51:59Z. The update package is 436.9 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: 196ecc13e0eb894a633d2e2313efca5c671ceec2.zip.