iPadOS 10.3 (build 14E5277a) is an official Apple over-the-air update for the iPad mini 3 (Cellular), released on 2017-03-16T16:55:37Z. The update package is 386.95 MB. This is a delta (partial) update that requires 10.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 5e76e0f055321f1936a7f21a0f4b083456641f08.zip.