First – Make sure you have downloaded Mozilla Firefox.
Next – Dowload and install the following:
Microsoft .NET Framework Assistant 1.1 – Download
Adds ClickOnce support and the ability to report installed .NET versions to the web server.
Modify Headers – Download
Add, modify and filter the HTTP request headers sent to web servers. This addon is particularly useful for Mobile web development, HTTP testing and privacy.
Small Screen Renderer – Download
Turn your Firefox into a cellphone browser. It adds a new menu entry “Small Screen Rendering” under the View menu.
Just select it to have the page you are currently browsing redisplayed in a cellphone style.
User Agent Switcher – Download
Adds a menu and a toolbar button to switch the user agent of a browser.
WML Browser – Download
Simulate WAP browsing by viewing WML (Wireless Markup Language) pages.
XHTML Mobile Profile – Download
Firefox does not natively support the mime-type application/vnd.wap.xhtml+xml. This is one of the possible mime-types for XHTML Mobile Profile. This addon adds support for this mime-type.
For additional Add-Ons go to: https://addons.mozilla.org/en-US/firefox/