How to modify the initial SMS service password of Guangdong Unicom

It is suggested that the service password of Unicom number can be reset through the following channels: 1. You can go to the login page of Unicom's online business hall, click Forgot Password and follow the prompts. 2. After entering the login page of the mobile phone business hall, click Forgot Password, enter the mobile phone number and verification code, and then press Next. At this time, your mobile phone will receive a 6-digit SMS password, enter the SMS password, new password, verification code and other information, and then click Next to reset the service password; 3. Send the free SMS instruction "MMCZ#6 new password" to 100 10. In addition to the above methods, you can also call 100 10 or go to Unicom business hall to reset your password.