iPadOS 9.9.10.3.1 (build 14E304) is an official Apple over-the-air update for the iPad 4 (WiFi), released on 2017-04-03T16:59:40Z. The update package is 998.97 MB. This is a delta (partial) update that requires 9.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b65882ec3751e3d1597c0134506013eff0ebfc49.zip.