Why didn't the telecom inform me that the balance was insufficient and I stopped?

Call the customer service hotline 10000. The above information is for reference only. Guangxi Telecom's worry-free card costs only five yuan a month, and the traffic charges step by step. The more you use it, the cheaper it will be. For details, please visit the online business hall of Guangxi Telecom, and the customer service will answer your questions on the 30th. /UrlDispenseApp/index.php