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User Guide
Connect to a GSM or UMTS network
If your BlackBerry® device normally connects to a CDMA network and your device 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 device. For more information about inserting a SIM card, see the printed documentation that came with your
device.
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® device so that only phone and basic text messaging are available. You can also set your
device to turn off data services when roaming. 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 Mobile Network Options.
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.
Related topics
I cannot connect to the mobile network, 217
Set the wireless networks to use for roaming
Depending on your wireless service provider and wireless network, this feature might not be supported.
1.
On the Home screen, click the connections area at the top of the screen, or click the Manage Connections icon.
2. Click Mobile Network Options.
• To connect to CDMA networks only, set the Network Technology field to 1XEV.
• To connect to either a GSM® or CDMA network, set the Network Technology field to Global.
• To connect to GSM networks only, set the Network Technology field to GSM/UMTS. Set the Network Mode field (it is recommended
that you set the Network Mode field to 3G & 2G).
3. Press the
key > Close.
Preferred wireless network list
About the preferred wireless network list
Your wireless service provider might have agreements with other wireless service providers that permit you to use their services when you are
traveling. You can use the preferred wireless network list to control the order in which your BlackBerry® device uses these other wireless
networks.
Manage Connections
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Troubleshooting
