... Tablet DB712 SpecifictionCPU:BOXCHIP A13 Cortex a8 Procossor:1.2GHZOS:Android 4.0Nand Flash:4GB (4G- ... screen Resolution: 800*480(RGB)Display:7 " LCD panel touch screen (16:9) Camera:Front 0.3 ... 20Hz to 20000HzInterface: 1*Mini USB 2.0, 1*3.5mm earphone jack,1*DC jack, 1*TF card slotIn/ ... , the process of checking Mobile Phone is as follows:1.Functioning Test: Outlook, Calibrate screen, Keyboard, WIFI, ...