Upgrade or Install Samsung Galaxy A9 SM-A9000 to Android Lollipop 5.1.1. The firmware available for downloading http://www.sammobile.com/firmwares/database/SM-A9000/. You can download your Samsung Galaxy A9 SM-A9000 firmware at the page, available for some countries. How to Root for Samsung Galaxy A9 SM-A9000 is the separated post, this post only for upgrading to Android Lollipop.