If you encountered the defect or symptoms as show above with Skyworth 43STC3210 and 43STC3200, then you need to install a fresh operating system, burn new keys and MAC address to your TV. Defect symptoms are as follows, when the TV plugin to the power source, it's light indicator turns red then green for a while then going back into red. Please refer to the above video for your reference. In order for you to install the fresh software of Skyworth 43STC3210 and 43STC3200 you will need the following; Skyworth 43STC3210 and 43 STC3200: Please refer to the video below for step by step software update guide / instructions: Step by Step Guide on how to install Skyworth 40 STC3210 and 40STC3200 Fresh Software 1. Download the software below link: Skyworth 43STC3200 Software and Skyworth 43STC3210 Software . 2. Extract the " Skyworth 43STC3210 or 43STC3210 Software.zip " . It contains the following; allupgrade_3563i_sos.bin hdcp_cvt_3563i mac_cvt_3563i 2. Move the following e