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Turn off data service
Depending on your wireless service plan, you might be able to turn off data service (email, PIN and MMS messages, and browser service)
on your BlackBerry® device so that only phone and SMS text messaging services are available. For more information, contact your wireless
service provider.
1. In the device options, click Mobile Network.
2. Perform one of the following actions:
• To turn off data service, change the Data Services field to Off.
• To turn off data service when roaming, change the Data Services field to Off When Roaming.
3. Press the Menu key.
4. Click Save.
About roaming
In most cases, your BlackBerry® device automatically connects to an appropriate wireless network when you travel outside your wireless
service provider's wireless coverage area. Your wireless service provider must set up your SIM card for roaming services before you can
use a different wireless network.
An indicator appears on your device to let you know that you are roaming outside of your wireless service provider's wireless coverage
area. You might also have to provide login information before you can access the wireless network. For more information about roaming,
contact your wireless service provider.
Switch wireless networks manually
Verify that your wireless service provider has set up your SIM card for this service.
Your BlackBerry® device is designed to switch to an appropriate wireless network automatically when you travel.
1. In the device options, click Mobile Network.
2. Change the Network Selection Mode field to Manual.
3. Click Scan for Available Networks.
4. Click a wireless network.
5. Click Select Network.
6. Press the Menu key.
7. Click Save.
To connect to your wireless service provider's wireless network again, change the Network Selection Mode field to Automatic.
Verify the status of network connections and services
1. On the Home screen or in the application list, click Manage Connections.
2. Click Services Status.
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