iPadOS 10.3 (build 14E277) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2017-03-27T16:57:33Z. The update package is 547.69 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: d0609dcda7fd8e3324f122574a7b2cce1313bd84.zip.