The network is unstable, and the network speed can't reach the bandwidth promised by telecom. How to complain?

If the network speed can't reach the signing speed, please call the telecom customer service directly for feedback, and a staff member will come to investigate. If it is still a network fault after investigation, you can call the telecom customer service phone number 10000 to make a complaint. For more service benefits, click on "official website" customer service 324 below to answer your questions.