What is the Mobile Zhihu Star 20 yuan Package?

Mobile Zhihu Star 20 yuan Package is a promotional activity launched by China Mobile for users. The monthly fee for this package is 20 yuan, including 400 minutes of talk time and 20G 5G traffic package. The preferential period is 24 months. Users are not allowed to stop, transfer, or switch networks within two years. The preferential period of the package is 24 months, which can be cancelled after the expiration.