a). The PC need install USB driver. This is the USB driver download link: https://mega.nz/#!674y3YSC!i0ntRVDocOfRagWTJ4Q6JqWifY0cei53nL8Qhd34moc b). Turn on the TPS980T. Connect TPS980T to PC with USB cable from the Micro USB port. c). Drag from the top of the screen to open the “drop-down” menu It will show menu "USB charging this device"
If the device includes 3G/4G wireless module, there is a SIM card slot for installing the SIM card. If the SIM card slot is blocked by factory, it means the device does not includes 3G/4G wireless module. It does not support 3G/4G wireless communication. Additional, enter into the settings->about thetablet. If the device does not include 3G/4G wir
a). Please check power adapter is installed well or not. b). Please measure the output of the power adapter. Check if it has 12V voltage output. If no 12v output voltage, please replace the power adapter. c). Check the power cable is connected well or not. d). Check the connector is installed well or not. And check if the power line is disconnected
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