How to handle the 4G primary and secondary card business (exclusive to the Young4G package of Lexiang Hefei)?

If it is a new 4G supplementary card, it can be handled through Tianyi Life, WAP Hall of Guizhou Telecom Pocket Business Hall or local telecom business hall; If it is a new young4G supplementary card, it can be handled through the local telecom business hall; If the primary and secondary cards of Lexiang 3G are upgraded to the primary and secondary cards of Lexiang 4G, you can apply through the website of China Telecom Huango and the local telecom business hall. Search for "4G primary and secondary card business (exclusive to Lexiang and Feiyangyang 4G packages)" for query. Customer service 95 answers for you. Broadband service can self-help troubleshooting, which is simple and easy to operate. In addition, you can also handle work order inquiry, ITV troubleshooting, broadband application and password service, which is convenient and fast. For more functions, please pay attention to China Telecom's Guizhou customer service.