Name: Your Name (What ever you want)
Email: Your username
Password: Your aol.co.uk account password
Description: aol.co.uk
Click Next Button
Hostname: imap.aol.com
Username: Your username
Password: Your aol.co.uk account password
Hostname: smtp.aol.com
Username: Your username
Password: Your aol.co.uk account password
Click Save Button
Use SSL: None
Authentication: Password
Server Port: 143
Use SSL: None
Authentication: Password
Server Port: 587
You can login aol.co.uk and Signup for aol.co.uk new account on your iPhone from here.