On July 14, China Radio and Television 5G issued an official apology notice through its official account, fully explaining the large-scale network service anomalies that occurred in Tianjin the day before. The report showed that on the afternoon of July 13, there was a sudden anomaly in some radio and television 5G service services in Tianjin. After urgent investigation, it was confirmed that the root cause of the fault was damage to the main optical cable. After overnight emergency repairs by the technical team, related services were fully restored to normal in the afternoon of the same day. China Radio and Television clearly stated in its apology letter that it is deeply sorry for all users affected by this failure. In the future, it will continue to optimize network operation and maintenance mechanisms, strengthen backbone line protection capabilities, and comprehensively improve network stability and user service experience. It also thanks users for their tolerance and understanding.

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