A Way to Downgrade from iOS 9.1
You can expect Apple to keep signing off on iOS 9.0.1 (at least) or whatever the current iOS 9 update is after the release of iOS 9.1. This will give you the option to downgrade if you don't like the iOS 9.1 update or its performance.
We expect Apple to close the loophole a few weeks after the iOS 9.1 release which means you'll need to act fast. Get familiar with the process right now.
This article may contain affiliate links. Click here for more details.