Who should repair the broken network cable interface on the wall?

The network cable in the wall is broken, so you have to find a master to repair it yourself.

If the new house is finely decorated during the warranty period and the network cable is not artificially damaged, you can contact the property for after-sales maintenance.

If the house is decorated by the owner himself, you can contact the electrician who decorated it at that time to repair it. I really can't contact the original master, and I can also find other qualified electricians to repair it.

What should I do to replace the network cable in the wall?

If the network cable in the wall needs to be replaced, then we can call the construction unit of the telecommunications department directly. For example, if you have mobile broadband installed at home, you can call Mobile 10086 directly, switch to manual service, and then apply for home replacement of wires. Generally speaking, it will be divided according to the region. After 24 hours, a staff member will call you and make an appointment for on-site service according to your time. In the process of replacement, if you need to replace the network cable, you may charge a certain fee, but it is generally free.

Can I find a property if the internet is not good?

If the cable port doesn't work, call the telecom operator. As a broadband connection interface, if the cable port doesn't work well, it should be maintained by the cable installation department, that is, the telecom operator. The property company can only coordinate this problem, but the telecom department is the last to repair it, so we can find the property, but it is best to find the telecom department directly.