Upgrade or Install Samsung Galaxy S5 LTE-A SM-G906S to Android Lollipop 5.0.1. The firmware available for downloading http://www.sammobile.com/firmwares/database/SM-G906S. You can download your Samsung Galaxy S5 LTE-A SM-G906S firmware at the page, available for some countries. How to Root for Samsung Galaxy S5 LTE-A SM-G906S is the separated post, this post only for upgrading to Android Lollipop.