BlackBerry 9900/9930 Bold Series 사용자 설명서

다운로드
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• If your smartphone normally connects to a CDMA network and your smartphone supports international roaming, verify 
that your smartphone is in global roaming mode and that your SIM card is inserted in your smartphone correctly.
• Verify that you turned on the connection to the wireless network.
• Verify that you're connected to your wireless service provider's network. If you switched wireless networks manually, 
your smartphone remains connected to that wireless network until you select your wireless service provider's network 
again.
• If you set a specific speed for wireless network connections, verify that you're in a wireless coverage area that supports 
the connection speed.
Related information
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Error messages
Data service unavailable
Description
This message appears when you don't have access to data services on your BlackBerry smartphone.
Possible solutions
Try the following actions:
• Verify that you're in a wireless coverage area.
• Verify that the data service on your smartphone is turned on.
• If you're roaming, verify that you can access data services while you roam.
Related information
256 
Wi-Fi technology
Depending on your BlackBerry smartphone model, the Wi-Fi feature might not be supported.
User Guide
Manage Connections
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