BlackBerry 9900/9930 Bold Series 사용자 설명서

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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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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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260
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 smartphone uses these other wireless networks.
Your smartphone tries to connect to a wireless network based on the order in which the wireless networks appear in your 
preferred wireless network list. When you travel, your smartphone scans for the wireless networks on this list first. If no 
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Manage Connections
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