How to query Unicom service password through SMS?

If the service password of Unicom number cannot be found by SMS temporarily, the initial service password of Unicom mobile phone number will be unified to the last six digits of the mobile phone number.

Tips: If the initial password cannot be inquired or handled, you can log in to the homepage of Unicom's online business hall and click "Login" in the upper left corner, then enter the login page and click "Forgot Password", and you can reset the service password according to the prompts.