iPadOS 10.3 (build 14E277) is an official Apple over-the-air update for the iPad 4 (WiFi), released on 2017-03-27T16:56:35Z. The update package is 362.88 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: d3895806b35b5f3ce45136eb0e5809f931034119.zip.