Upgrade or Install Samsung Galaxy Note 4 SM-N910S to Android Lollipop 5.0.1/5.1.1. The firmware available for downloading http://www.sammobile.com/firmwares/database/SM-N910S. You can download your Samsung Galaxy Note 4 SM-N910S firmware at the page, available for some countries. How to Root for Samsung Galaxy Note 4 SM-N910S is the separated post, this post only for upgrading to Android Lollipop.