Coolpad Cool S1 official Pictures. Coolpad Cool S1 is a Smartphone of coolpad. The Coolpad Cool S1 Android Smartphone. Announced Dec 2016. Features 5.5″ Display, Snapdragon 821 Chipset, 16 MP Primary Camera, 8 MP Front Camera, 4070 MAh Battery, 128 GB Storage, 6 GB RAM. Coolpad Cool S1 price starts.