Upgrade or Install Samsung Galaxy S5 mini Duos SM-G800H to Android Lollipop 5.1.1. The firmware available for downloading http://www.sammobile.com/firmwares/database/SM-G800H. You can download your Samsung Galaxy S5 mini Duos SM-G800H firmware at the page, available for some countries. How to Root for Samsung Galaxy S5 mini Duos SM-G800H is the separated post, this post only for upgrading • Read More »