1. Login to iPage.com here.
2. In the Control Panel, click on "FileManager."
3. Select your main index page (could be index.html, home.html, or index.php) then click the green pencil icon to the right to edit it.
4. A code editor will open up, paste the redirect code into the <head> tag
Note: You will need to setup this redirect on all pages which you want to make mobile friendly.