iOS 8.1.2 now available: fixes bugs, addresses "removed" iTunes ringtones

This release includes bug fixes and addresses a problem where ringtones purchased through the iTunes Store may have been removed from your device. To restore these ringtones, visit itunes.com/restore-tones from your iOS device.

For information on the security content of this update, please visit this website: http://support.apple.com/kb/HT1222

You know what to do: Settings.app > General > Software Update.