The default Linksys Velop AX4200 setup process can be used to configure the network settings online. You can use the login address to reach the setup wizard and configure the network settings online. The network SSID and password-like details can be modified and the device admin username and password details can be edited as well. For more help on the velop setup process, you can always reach out to the team at our end.
https://lynksysivelop.com/linksys-ax4200/