Firmware update: Samsung Galaxy Note 4 SM-N916L Android 6.0.1 Marshmallow. The firmware available for downloading http://www.sammobile.com/firmwares/database/SM-N916L/. You can download your Samsung Galaxy Note 4 SM-N916L firmware at the page, available for some countries. How to Root for Samsung Galaxy Note 4 SM-N916L is the separated post, this post only for upgrading to Android 6.0.1 Marshmallow.