Upgrade or Install Samsung Galaxy J3 SM-J320P to Android Lollipop 5.1.1. The firmware available for downloading http://www.sammobile.com/firmwares/database/SM-J320P. You can download your Samsung Galaxy J3 SM-J320P firmware at the page, available for some countries. How to Root for Samsung Galaxy J3 SM-J320P is the separated post, this post only for upgrading to Android Lollipop.