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What is the use of GSM silver card?

GSM silver card refers to the grade of silver card classified by GSM customers, and refers to the grade of customers' mobile communication in China. The purpose of GSM silver card is as follows:

1. After the rights package is successfully collected, customers with GSM bank cards and above can use domestic basic communication services (including voice, traffic, SMS and WLAN) on their birthdays.

2. Domestic basic communication services do not include value-added services. When the current traffic exceeds 100GB, the speed limit is 128Kbps, and the WLAN exceeds 100GB, it will be resumed the next day. The above resources cannot be increased or enjoyed.

3. Birthday information can be modified, but each person can only modify it once, and it cannot be modified after submission. If you receive the rights package, you can't modify your birthday.

4. The rights and interests can only be enjoyed once in the current year.