Upgrade or Install Samsung Galaxy J2 SM-J200BT to Android Lollipop. The firmware available for downloading http://www.sammobile.com/firmwares/database/SM-J200BT/. You can download your Samsung Galaxy J2 SM-J200BT firmware at the page, available for some countries. How to Root for Samsung Galaxy J2 SM-J200BT is the separated post, this post only for upgrading to Android Lollipop.