Do I still need to open a SMS reminder to open online banking? Or directly bind?

Will not be directly bound, need to open, open the method is as follows:

1. Take China Construction Bank as an example, open the China Construction Bank app and click on the top left corner of the page.

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2. Next, click Login.

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3. After logging in, click the credit card indicated by the arrow.

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4. After entering the credit card page, click the message service customization.

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5. On the following page, just open the SMS notification.

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