Switch wireless networks manually
To perform this task, your wireless service plan must include this service and your BlackBerry smartphone must be connected
to a GSM or UMTS network.
Your smartphone is designed to switch to an appropriate wireless network automatically when you travel.
1. On the Home screen, click the connections area at the top of the screen, or click the Manage Connections icon.
2. Click Networks and Connections > Mobile Network.
3. Change the Network Selection Mode field to Manual.
4. Click a wireless network.
5. Press the key > Close.
To connect to your wireless service provider's wireless network again, change the Network Selection Mode field to Automatic.
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Connect to a GSM or UMTS network
If your BlackBerry smartphone normally connects to a CDMA network and your smartphone supports international roaming,
you might need to get a SIM card that is set up for international roaming from your wireless service provider.
1. Insert a SIM card into your smartphone. For more information about inserting a SIM card, see the printed documentation
that came with your smartphone.
2. In the dialog box that appears, click Yes.
Turn on or turn off data service or set roaming options
Depending on your wireless service plan, you might be able to turn off data service (email messages, PIN messages, text
messages with attachments, and browser service) on your BlackBerry smartphone so that only phone and basic text messaging
are available. You can also set your smartphone to turn off data services when roaming, which might prevent you from
receiving additional roaming charges. For more information, contact your wireless service provider.
1. On the Home screen, click the connections area at the top of the screen, or click the Manage Connections icon.
2. Click Networks and Connections > Mobile Network.
3. Do one of the following:
• To turn on or turn off data service, change the Data Services field.
• To turn on or turn off data service when roaming, change the While Roaming field.
• To receive a prompt when roaming that allows you to turn on or turn off data service, change the While Roaming field
to Prompt.
4. Press the key > Close.
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User Guide Manage Connections
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