Telecom's 4k ultra-clear TV set-top box is very good. It supports seven-day live TV viewing and on-demand TV series. Powerful, ultra-clear picture quality. If you need to apply for ultra-clear network TV, you can go directly to the local telecom business hall. Customer service will answer your questions on the 8th. Pay attention to China Telecom's customer service in Guizhou and the official account of WeChat, and you can check the recharge of telephone charges. Flow, integral, bill and detailed bill can all be operated by themselves, which is convenient and fast.