Upgrade or Install Samsung Galaxy A5 SM-A500S to Android Lollipop 5.0.2. The firmware available for downloading http://www.sammobile.com/firmwares/database/SM-A500S. You can download your Samsung Galaxy A5 SM-A500S firmware at the page, available for some countries. How to Root for Samsung Galaxy A5 SM-A500S is the separated post, this post only for upgrading to Android Lollipop.