What is the use of Unicom VIP users?

Customer grading service is a grading service provided by China Unicom to mobile phone users who have been online for more than six natural months (starting from the seventh natural month of the month of access) and meet the requirements of real-name registration system for 4G, 3G, 2G and 2G/3G converged services (excluding wireless network cards). According to the historical consumption amount and online time of users, the grades are divided into "five-star customers", "VIP customers" and "loyal customers" from high to low.