Originally Posted by Motorcycle Mama
The "hole purpose of using WiFi with a BlackBerry" is for use when you aren't in a good service area for your carrier. But you need to have an active BlackBerry Data Plan for it to work.
Exactly. Adding wifi capabilities is not a workaround for no data plan, but rather an addition to help you get the most out of a properly provisioned BlackBerry. You must have the data plan before you can enjoy the benefits of wifi.