What is the initial password of Unicom's new card?

1, the initial service password is generally the last six digits of the mobile phone number. 2. In order to ensure information security, you need to modify the service password before you can query and handle the corresponding business. Password modification method: 1. You can reset the service password through the online business hall of China Unicom, and click "Forgot Password" according to the website information. 2. Use this machine to edit "L# original password x new password" as 100 10 to modify the password. 3. Use this machine to edit the short message "MMCZ#6 new password" to 100 10 to reset the password.