Hi. Do you have access to a computer? You can first try to perform a hard reset and observe. The steps are here: http://www.satechhelp.co.za/2928/Factory-Reset-Sinotec-Model-S7200. If all fails, then you will need to have the ROM or firmware reinstalled as per the steps here: http://satechhelp.co.za/14567/Flashing-Firmware-Sinotec-S7200-7-Tablet using a computer.
↧