Upgrade or Install Samsung Galaxy On5 SM-G5500 to Android 5.1.1 Lollipop. The firmware available for downloading http://www.sammobile.com/firmwares/database/SM-G5500/. You can download your Samsung Galaxy On5 SM-G5500 firmware at the page, available for some countries. How to Root for Samsung Galaxy On5 SM-G5500 is the separated post, this post only for upgrading to Android Lollipop.