iPadOS 9.3 (build 13E5231a) is an official Apple over-the-air update for the iPad mini 2 (Cellular), released on 2016-03-07T17:48:28Z. The update package is 32.26 MB. This is a delta (partial) update that requires 9.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ecb9a47f4f17891de26836c941563247b293dad4.zip.