Yes.

1. If the user purchased the broadband service from China Telecom and it is less than one year old, he or she can directly dial 10000 to find telecom maintenance personnel to come and repair it. The user only needs to Just have the invoice ready.

2. The maintenance technician will conduct debugging to confirm whether there is a problem with the fiber optic modem. If there is a problem, he will take it away directly and replace the fiber optic modem for the user free of charge, which will not delay the user's Internet access.

3. If the user bought the optical fiber cat by himself, he needs to call the manufacturer to inquire about the maintenance method.