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In most cases, your BlackBerry® device automatically connects to an appropriate wireless network when you travel outside your wireless
service provider's wireless network 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 normal network area. You might also have to
provide login information before you can access the wireless network. Contact your wireless service provider for more information about
Switch wireless networks manually
Verify that your wireless service provider has set up your SIM card for this service.
By default, your BlackBerry® device switches 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 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.
Wireless network coverage troubleshooting
I cannot connect to a wireless network
Try performing the following actions:
• Verify that your SIM card is inserted in your BlackBerry® device correctly.
• Verify that you have turned on the connection to the wireless network.
• Verify that you are connected to your wireless service provider's network. If you switched wireless networks manually, your device
remains connected to that wireless network until you select your wireless service provider's network again.