You can activate it at the counter.
Go to the local bank branch with your valid ID and bank card;
Fill in an application form for business processing. Select "SMS Reminder" in the business column of the application, and attach the commonly used mobile phone number that needs to be bound for receiving text messages;
Submit your bank card, original ID card, and business application form;
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Enter your mobile phone number and verification code as required;
You can activate the SMS reminder service.