How To Downgrade From iOS 9.1 Beta to iOS 9
If you upgraded to iOS 9.1 through the beta program and would like to downgrade to iOS 9, follow this guide.
iOS 9.1 Beta Includes New Emojis: Hockey Stick and Puck and More
iOS 9.1 beta includes new emojis already from Unicode 8.0.
iOS 9 GM, iOS 9.1 Beta Downloads Now Available for Developers [u]
iOS 9 GM and iOS 9.1, WatchOS 2 beta downloads now available for developers.