How to send text messages to inquire about historical bills?

This machine edits the short message content 104 or LSZD sends it to 1000 1 to inquire about the historical bill. Warm reminder: 1, sending this message is free. 2. You can inquire about the historical bills of the last 6 months (excluding this month). Customer service 2 1 will answer your questions. 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.