ZTE Grand S II S291 official Pictures. ZTE Grand S II S291 is a Smartphone of zte. The ZTE Grand S II S291 Android Smartphone. Announced Jan 2014. Features 5.5″ Display, Snapdragon 801 Chipset, 13 MP Primary Camera, 2 MP Front Camera, 3100 MAh Battery, 16 GB Storage, 2 GB RAM. ZTE Grand S II S291 price starts.