China Unicom online business hall, what is the service password when logging into my account? And a random password.

When logging in with mobile phone number, you can choose random password and service password to log in. Random password login refers to entering the random code provided by SMS, but some business functions cannot be used. Login with service password can support most permissions such as handling business and querying business. The service password is a 6-digit password set for you, and the initial password is 6 digits after the mobile phone number. However, the initial password cannot be used to log in to the online business hall and handle business. When logging in, you need to click Forgot Password and reset your password according to the prompt before logging in.