How to reset or modify the password of mobile phone service?

Hello, taking telecom as an example, telecom users can reset the service password through the telecom online business hall.

First log in to the online business hall of China Telecom, click Login and enter your mobile phone number, and then click Forgot Password, as shown in the figure below:

After entering, select the first reset service password, and then click Enter.

Then fill in your mobile phone number and the received verification code, and you can reset the new service password.