To change the application or device used to perform two-factor authentication, you need to reset the registered two-factor authentication application, and then reconfigure it.
Refer to the FAQ below for more information on resetting two-factor authentication.
* If you are using the authentication application on a smartphone and you change to a new model without resetting, you can continue to use the authentication application if you still have the old and new smartphone.
I want to reset two-factor authentication
Refer to "Two-factor authentication user guide" for more information about the two-factor authentication function.