Name: Your Name (What ever you want)
Email: Your email address is your username
Password: Your frontiernet.net account password
Description:
Click Next Button
Hostname: pop3.frontier.com
Username: Your email address is your username
Password: Your frontiernet.net account password
Hostname: smtp.frontier.com
Username: Your email address is your username
Password: Your frontiernet.net account password
Click Save Button
Use SSL: Yes
Authentication: Password
Server Port: 995
Use SSL: Yes
Authentication: Password
Server Port: 465
You can login frontiernet.net and Signup for frontiernet.net new account on your iPhone from here.