How to cancel the password of Unicom number service?

Unicom mobile phone service password reset method is as follows:

1, dial 100 10 to reset:

① If you know the original service password, you can call the customer service hotline 100 10, enter the original password according to the voice prompt and modify it;

① If you don't know the original password, you can call 100 10 to reset the password. After receiving the initial password, the user can dial 100 10 to modify the password according to the voice prompt.

2. Reset the password through SMS business hall:

① Send the short message "405" to 100 10.

② Send the short message "MMCZ" to 100 10.

According to the reply message, send "MMCZ#6 new password #6 digits after ID card" to reset.

3. Through China Unicom APP: When logging in to China Unicom APP, select "Service Password" to log in, click "Forgot Password" and follow the prompts; After entering the mobile phone number, select Forgot Password and follow the prompts.

4. Through the online business hall: log in to Unicom's online business hall, select "service password" to log in, click "Forgot password" and follow the prompts; After entering the mobile phone number, select Forgot Password and follow the prompts.