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Mobile phone dynamic password of China Postal Savings Bank. Is there a charge? How to cancel the mobile phone dynamic password of China Post?

Hello, China Postal Savings Bank's personal online banking mobile phone dynamic password is free; There are three security authentication methods for personal online banking in Postal Savings Bank: SMS, SMS+electronic token and SMS +ukey. Each authentication method requires a mobile phone dynamic password, so the mobile phone dynamic password cannot be cancelled. I hope my answer is helpful to you.