... H7100 MTK6577 5.3'' Dual SIM GPS Android 4.1 Smartphone 3G H7100 4GBMTK6577 5.3'' Dual SIM GPS Android 4.1 Smartphone 3G ... ; Two SIM cards work in the same time;Characteristics5.3 inch Capacitive multi-touch screen, PX:960* 540; 260K colors; Smart phone ... , Gmail, Skype, MSN, word, excel, ppt, pdf document 5.3" Android 4.1 Dual Core 512MB RAM MTK6577 3G Smart Phone H7100