Samsung Galaxy Core Duos launched to fill up the void between S Duos and Grand Duos

Samsung has officially launched Galaxy Core android phone in two variants – single SIM, Dual SIM with dual standby; as is the usual case with Samsung’s not-flagship phone series. This is supposed to be mid-range android smartphone with dual-core processor, 1GB RAM, 5 megapixel primary camera, 4.3 inch screen. Depending upon the market type, either