It is so easy to change your P1 Wimax SSID name and password. Only 4 steps needed.
1.Open ur web browser
3.At the login screen key in
username : admin
password : admin123
4.Go to networking --> wifi
at the bottom click next.u change the password there.
walla..here you go..done!
p/s: make sure you include symbols, number and capital letter together so that it will be a lot harder for hacker to break in into your network..