Hi-Tech S300 Sim Type: GSM+GSM; Dual Sim: Yes; Type: Color LCD screen; Touchscreen: Yes; Size: 3.5 inches, 320 x 480 pixels; PPI: ~ 165 PPI; RAM: 256 MB; Internal memory: 512 MB inbuilt; Card Slot: Yes, upto 32 GB; GPRS: Yes; EDGE: Yes; 3G: Yes; Wi-Fi...