iPadOS 10.3.1 (build 14E304) is an official Apple over-the-air update for the iPad 5 (Cellular), released on 2017-04-03T17:00:13Z. The update package is 26.18 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: 008ea3046f918a388e8805253185654ee33c0e3e.zip.