Is there any charge for resetting password via SMS?

The customer service password is one of the effective verification procedures for all postpaid and prepaid users to handle business. The initial service password is the last 6 digits of the mobile phone number. You can dial 10001 to change the service password yourself. If you forget to change the service password or it is inconvenient to change the initial service password by yourself, you can apply for password reset service. The password reset service is free, whether it is done through SMS, or through our own business hall or cooperative hall. The most convenient password reset method: send the text message MMCZ#new password (6 digits) to 10001. To learn more about service discounts, click the "official website" below and customer service 324 will answer your questions.