Expect an iOS 9.3.1 Downgrade
There won't be an iOS 9.3 downgrade available but there will most certainly be an iOS 9.3.1 downgrade available to you once the iOS 9.3.2 update arrives.
Apple will continue signing off on iOS 9.3.1 through the iOS 9.3.2 release date. What this means is that you'll probably have a week or two where you can take advantage of a loophole and drop back down to the iOS 9.3.1 update.
To prepare, take a look at our downgrade guide.
This article may contain affiliate links. Click here for more details.