Samsung Galaxy Grand Prime Duos TV official Pictures. Samsung Galaxy Grand Prime Duos TV is a Smartphone of samsung. The Samsung Galaxy Grand Prime Duos TV Android Smartphone. Announced Oct 2014. Features 5.0″ Display, Snapdragon 410 Chipset, 8 MP Primary Camera, 5 MP Front Camera, 2600 MAh Battery, 8 GB Storage, 1000 MB RAM. Samsung Galaxy Grand Prime Duos TV price starts.