Under normal circumstances, after broadband troubleshooting, Unicom will come to the door for troubleshooting and maintenance free of charge. If there are problems with your personal equipment, such as routers and network cards, you need to replace them, and you need to buy them with money if necessary.
The specific situation also requires the maintenance engineer to come to the door to check the specific fault point, which is generally free of charge.
China Unicom broadband customers, if there is a problem with Unicom's broadband home network cable or broadband optical fiber line in the corridor, can declare fault maintenance, which will be handled by local maintenance personnel. General Unicom broadband line fault free maintenance and replacement. Tips: The specific maintenance fee policy is subject to local business rules.