T-Mobile sidekick plan on iphone

I have seen a lot of people saying that the sidekick data plan does not work on iphones but i am here to tell you that is not true. The sidekick plan does work on the iphone i have my iphone 3g with the sidekick plan and its running flawlessly. :)
Here is how to get it to work.
1. Go to settings
2. Tap on General
3. Tap on Network
4. Tap on Cellular Data
5. Under Cellular data type the following
APN hiptop.t-mobile.com
Username guess
Password guess

that is all :) your iphone should have internet now try it :)