Unicom SMS query last month's phone bill

Through the short hall, you can send a short message "103" to inquire about last month's bill, and send a short message "104" to inquire about last month's bill (you can inquire about the historical bill details in recent five months). 100 10 Sending or receiving SMS is free. If you need to inquire about the short hall description, you can log in to the online business hall to understand.