Are you looking for ways to restore jailbroken iPad to factory settings? A reset will restore the iPad as it was before the jailbroken, and you can use the iPad like a non-jailbroken iPad.
iOS 10.3 is currently only available in beta for registered developers and public beta testers. Here's how to upgrade your iDevice to iOS10.3 Beta 5 using 3uTools
A lot of iOS users want to downgrade iOS10.3 to iOS 10.2.1 retaining user’s data, but they couldn’t find a way to do that. Hope this tutorial would be helpful.