You can click Education on the iTV homepage, enter the education area, select the business you are interested in, browse independently, and sort by steps. Customer service 53 answers for you. Broadband service can self-help troubleshooting, which is simple and easy to operate. In addition, you can also handle work order inquiry, ITV troubleshooting, broadband application and password service, which is convenient and fast. For more functions, please pay attention to China Telecom's Guizhou customer service.