How to modify the customer password of Tianyi mobile phone?

Hello, the customer service password of Telecom can be reset through the telecom online business hall. The method is as follows:

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.