It won't freeze.

1, but it will definitely have an impact. The banking system will still send text messages to your original mobile phone number. If it involves verification code or something, you can't do related operations. 2. It is recommended to go to the bank in time to unbind the mobile phone number and bind a new mobile phone number. 3. If you have online banking, you can log in directly, find the settings, click personal information (customer contact information), click contact information (mobile phone), and click Modify. You can also change your mobile phone number at the bank counter with your bank card and my ID card. 5. There is also a manual service, which is used to dial the telephone banking service of the bank.