Steps to enable or disable the mobile network connection on your BlackBerry Curve 8330
If the mobile network connection is turned off, your BlackBerry® Curve™ 8330 can't connect to the Sprint network.
This prevents your device from sending or receiving calls or texts.
- From the home screen, press the Menu key.
- Scroll to Manage Connections, and press the trackball.
- Scroll to Mobile Network, and press the trackball to select or deselect the network.
- You have now enabled or disabled your mobile network connection.