How to realize free access to telecommunications, mobile and China Unicom Internet?

First of all, telecom, mobile and China Unicom should talk to the property in your residential area, because it involves optical fiber wiring, sometimes it needs to be disconnected and piped, and then it involves weak electricity, such as the location of the computer room and power supply. After the fiber is connected to the cell, it is connected to the user. If your goal is to access only one network cable as a user and switch freely between three carrier networks, it is impossible, and they are not so friendly.