"Bob Wang" <bobby_wang@hotmail.com> wrote in
news:0K-dnd7cutNv_EHanZ2dnUVZ_tGonZ2d@comcast.com:

> If you have Sprint, just call customer service and disable
> data access from your phone.

If your account is still in the old billing system, ask them
to remove/expire IP BASIC SERVICE. That's the code that
enables internet access. Without it, your phone would just
error out if you wanted to get on the internet.