Apple has released iOS 9.1. To download, on your iOS device, tap Settings > General > Software Update. Then, tap download and install.
The update includes new features, bug fixes and improvements including:
Live Photos now senses when you raise or lower your iPhone
Over 150 new emoji characters with full support for Unicode and 8.0 emojis.
As always, it is prudent to make a back up first.
iPad Notebook 