How to modify the mobile phone number of UnionPay online payment to obtain SMS verification code

To modify the mobile phone number of UnionPay online payment to obtain SMS verification code, you need to modify the mobile phone number at the bank, and then rebind the bank card to open online payment through China UnionPay Express APP. If the card has been bound before, you need to unbind it before rebinding it.

The above contents are for reference, subject to the latest business rules.