JIAYU F1 MTK6572W Dual core 1.3Hz 4.0" TFT Capacitive Screen Android 4.2.2 Smartphone RAM 512MB ROM 4GB 5.0 Camare (black(no 3G)) MTK6572W Dual Core Android 4.2.2 RAM 512MB ROM 4GB. 4.0 inch TFT Screen 800 x 480 pixels,Front 0.3 MP+back 5 MP Camera. THE WCDMA Versoion support GPS and the GSM Version do not support GPS. Detected over all products before shipping. Warranty:6months.