How is the customer grade of Unicom divided?

For Unicom users who have been online for more than six natural months (excluding the sixth natural month, that is, the rating is calculated from the seventh natural month), each personal mobile service user who participates in the rating has three types of signs in the system, namely, 1-5 stars, "VIP customers" and "loyal customers". Among them, from one star to five stars, the comprehensive value is calculated according to the historical consumption amount and network access time, and the star rating is determined according to the national unified threshold.