Originally Posted by Harrison Leggio
If you don't have a 3g or data plan and you plan on running purely via wifi than in your wifi options you can set it to "wifi preferred". This means that whenever you are near wifi that doesn't have a security key to enter with, your phone will connect to it.
Posted via BlackBerryForums.com Mobile
See post 4. And if the OP is on AT&T, per their profile, they will require a BB data plan before allowing the device on their network. No way around it AFAIK. Even if you drop the data plan, it will get added back in during the random IMEI sweeps that AT&T does.