... 4 4)MTK6577 3G Smartphone android ZP100 MTK6577 Dual SIM GPS Mobile Phone Basic Information ModelZP100 Band2G: GSM 850/900/1800 ... MessageSMS/MMS InputHandwrite/Keypad TVNo GPSYes, built in, support A-GPS and voice navigation With EPO assistance to speed up postioning ... 65 x 12mm Net Weight(Including battery)155g Other Feature3G, GPS,WIFI, Bluetooth, Ebook, YouTube, UC Browser,Messaging, VPN Services, ...