iPadOS 10.3 (build 14E5273a) is an official Apple over-the-air update for the iPad 4 (WiFi), released on 2017-03-13T17:00:03Z. The update package is 233.44 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: 3c542c09c1c81ff803b865827cee1cd5c960cfe5.zip.