Padgene 5" Android 4.4 Unlocked Quad Core Dual Sim Smartphone Cell Phone, Silver Unlocked Dual SIM Phone, SC8830 Quad Core, 5.0" FWVGA Capacitive Touch Screen LCD. Wireless transmission: Bluetooth, Wifi; Support GPRS / Touch panel / JAVA Android 4.4.2 Operation System. Dual camera, 1700mAh Battery, Dual speaker, Support multi-language. Pls Sure your SIM card is Post-paid SIM card, and it Support 2G / 3G Network: 2G--GSM 850 / 900 / 1800 / 1900MHz; 3G--WCDMA 850 / 2100MHz.