iPadOS 10.3 (build 14E277) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2017-03-27T16:57:28Z. The update package is 551.37 MB. This is a delta (partial) update that requires 10.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4173f31968cd5943efeef8838e565b09e0f9973b.zip.