Mobile phone: Huawei p30

System: EMUI 9. 1

Software: Starbucks

1, first open the Starbucks software of the mobile phone.

2. Then enter the account number and log in.

3. Then I will be in the upper right corner of the homepage.

4. Then click on my customer service.

5. Then click on the telephone customer service.

6. Then select the service hotline.

7. Finally, call the human customer service.