1. Zhangyin: Please log in to Zhangyin APP, click "Home → Credit Card → Card Manager → Personal Information" and modify the reserved mobile phone number through the "Mobile Phone Number" menu.
2. Customer service hotline: Please call our credit card customer service hotline 4006695599 to apply for manual service to modify the reserved mobile phone number.
3. Counter: Please bring your valid ID card and credit card to any branch of Agricultural Bank of China for change.
(Answer time: 16, March 2022. In case of business changes, please refer to the actual situation. )