Blackberry Global 8830 - Manual (Page 221)

1. In the device options, click Mobile Network.
2. Press the Menu key.
3. Click My Preferred Network List.
4. Highlight a wireless network.
5. Press the Menu key.
6. Click Move.
7. Roll the trackball to the new location.
8. Click the trackball.
9. Press the Menu key.
10. Click Save.
Delete a wireless network from the preferred wireless network list
Verify that your wireless service plan includes this service and that your BlackBerry® device is in GSM network mode.
1. In the device options, click Mobile Network.
2. Press the Menu key.
3. Click My Preferred Network List.
4. Highlight a wireless network.
5. Press the Menu key.
6. Click Delete.
7. Press the Menu key.
8. Click Save.
Turn off data service
Depending on your wireless service plan, you might be able to turn off data service (email, PIN, MMS, and browser service) on your
BlackBerry® device so that only phone and SMS text messaging services are available. Contact your wireless service provider for more
information.
1. In the device options, click Mobile Network.
2. Perform one of the following actions:
• To turn off data service, set the Data Services field to Off.
• To turn off data service when roaming, set the Data Services field to Off When Roaming.
3. Press the Menu key.
4. Click Save.
219