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Unicom broadband is broken. How can maintenance personnel complain endlessly?

Hello, there are many channels for China Unicom to receive complaints. 1. Dial 100 10 directly, and press 0 to switch to manual station. If the hotline is busy, it is recommended to redial another time. 2. Complaints can be made through the online customer service on the right side of Unicom's online business hall; 3. Reflect your complaints through the first online customer service of Unicom's mobile phone business hall. After the above channels are accepted, Unicom customer service will reply in time and contact you in time to feed back the processing results.