You said it was a mobile phone business hall. Click in and find my mobile phone. There will be coupons on it. Click in and you will see it. Select one you want to activate, and then click Activate to use it.

China Mobile Online Business Hall is an online self-service platform provided by China Mobile for customers to accept business, promote marketing and inquire information. "China Mobile Online Business Hall" is divided into self-service online business halls of four major customer brands: GSM, M-Zone, China Bank and group customers. Users can quickly and conveniently conduct business inquiries and purchase various value-added services across multiple platforms according to their own business needs, which is convenient and efficient.

Electronic self-service channel convenient for users to handle mobile services. As long as mobile users enter the wap business hall online, they can check phone bills, do business and find benefits 24 hours a day. The mobile terminal can wait for the wap business hall of China Mobile when visiting official website 10086.