After a storm and reset, lost user name and password. Now can't get either user name or password to connect on my phone. Want to put original user name back in as well as the password.

Hit the factory reset button (or whatever is appropriate for your phone), and re-initialize everything. Do be aware that you will lose all data on the phone.

Take a moment to clear up what your question is.

If this is the usual iPhone can't connect to your router question, Apple iPhones can forget connections, I mean you use the menu in the setup of the WiFi to forget the old connection and then connect again.

If your name and password fail then on your PC/Apple login to your router to see what the router password is.

But here's where it gets murky. You asked about the name and password. So take some time to clear up what the issues are.