... ) Capacitive Multi-touch screen,960*540 Pixels;4.Support Frequency : GSM: 850/900/1800/1900mhz,and WCDMA: 2100mhz; HSDPA: 7.2Mbps ... RDS;Specification ModelMTK 6577 STAR 001SOperating SystemGoogle Android 4.02GGSM, GPRS, EDGE, 850, 900, 1800, 1900(dual SIM cards)3GWCDMA UMTS 2100MHz ...