The steps to change by phone are as follows:

1. Call ICBC customer service hotline 95588 by mobile phone.

2. After connecting, select 7 buttons according to the voice prompts for more services.

3. Then select the 1 button according to the prompt to manage the telephone banking password.

4. According to the prompt, select 1 to change the password.

5. Enter the card number and the original telephone banking password, and set a new telephone banking password. Operation completed.