iPadOS 9.9.10.3.1 (build 14E304) is an official Apple over-the-air update for the iPad 4 (Global), released on 2017-04-03T16:59:43Z. The update package is 995.39 MB. This is a delta (partial) update that requires 9.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 848e4755aaa5fa4ecf6e6267480643bb856dcafc.zip.