Sprint has just released the Android Marshmallow update for Samsung galaxy Note 5 smartphones. The update now rolling out to Galaxy Note 5 devices under sprint. It is not the direct jump to Android Marshmallow 6.0.1 , it is only Android marshmallow 6.0.0. However the update brings some new features and improvements.
If you owned a spring Samsung Galaxy Note 5 , go to settings -software updates for latest update.