Update or Install Samsung Galaxy Grand Prime SM-G531H to Android Lollipop. The firmware available for downloading http://www.sammobile.com/firmwares/database/SM-G531H/. You can download your Samsung Galaxy Grand Prime SM-G531H firmware at the page, available for some countries. How to Root for Samsung Galaxy Grand Prime SM-G531H is the separated post, this post only for upgrading to Android Lollipop.