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Is there a charge for SMS reminder of UnionPay card?

If it is a card of China Merchants Bank, the charging standard for the new SMS function is 3 yuan/month/card, which is free three months before opening (including the opening month) (if you have already enjoyed the 3-month preferential period, you will no longer enjoy the discount if you cancel and reopen); Customers with sunflower level and above (reduced or exempted by customer number), pension account, subsistence allowance account, medical insurance account and unemployment insurance account will be notified by SMS free of charge.