If user want to change mywifiext.net username and password, then first steps includes launching www.mywifiext.netsetup page. To login www.mywifiext.net setup page, user will be needed to enter existing username and password for www.mywifiext.net login. In case you had not changed username and password earlier then mywifiext.net username and password will be same as it is in default setting of new NETGEAR device, that includes
But in case you have changed username and password earlier also then you will be required to enter that credentials. After entering credential you will be prompted to www.mywifiext.net setup wizard. Here you can change username and password as you desired.