iPadOS 10.3 (build 14E277) is an official Apple over-the-air update for the iPad mini 4 (Cellular), released on 2017-03-27T16:57:19Z. The update package is 565.15 MB. This is a delta (partial) update that requires 10.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 1f090f8f5fddeb56180750805265d55eb49d88ee.zip.