What if the mobile phone number is bound by someone else?

Contact your bank immediately, verify your identity, change your bank account information, and enable two-step verification and alarm processing.

1. Contact your bank immediately: report to the bank that your mobile phone number is used by others through the bank's customer service hotline or go to the nearest bank branch, and ask them to take corresponding measures to prevent any unauthorized transactions.

2. Identity verification: According to the requirements of the bank, you need to provide some personal identification documents, such as ID card, passport or driver's license. Be sure to provide the required supporting materials according to the instructions of the bank.

3. Change your bank account information: Ask the bank to help you change the bank account information bound to your mobile phone number, such as login password, payment password, credit card binding, etc. , to ensure that you set a strong password, and change the password regularly to ensure security.

4. Enable two-step authentication: cooperate with banks to enable SMS verification code, dynamic password or other double authentication methods to improve account security.

5. Alarm handling: If you think there is fraud or illegal behavior involving your own bank account, you should immediately call the police and provide the police with information about the banking institutions involved.