... solved the wifi ,charger and high temperature problems perfectly. Dual Wifi antenna,well signal enhancement.Cooling SMT technology ,lower ... BeantSpecification: OSAndroid 4.1 Jelly beanMain chipRK3066, dual core 1.6GHz ,Dual Core Cortex 9, Quad Core GraphicsMemory1GB DDR3Storage8GB NAND ... /PortsUSB2.0 port X 1 , OTG micro USBX1 HDMI OUTPUT X 1 , Micro SD slotKeyboardSupport virtual keyboard,Support 2. ...