About Roaming; Switch Wireless Networks Manually; Verify The Status Of Network Connections And Services; Wireless Network Coverage Troubleshooting - Blackberry Curve 8310 User Manual

3. Press the Menu key.
4. Click Save.

About roaming

In most cases, your BlackBerry® device automatically connects to an appropriate wireless network when you travel outside your wireless
service provider's wireless 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 your wireless service provider's wireless coverage area.
You might also have to provide login information before you can access the wireless network. For more information about roaming, contact
your wireless service provider.

Switch wireless networks manually

Checky that your wireless service provider has set up your SIM card for this service.
Your BlackBerry® device is designed to switch 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 on a wireless network.
5. Click Select Network.
6. Press the Menu key.
7. Click Save.
To connect to your wireless service provider's wireless 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:
• Check that your SIM card is inserted in your BlackBerry® device correctly.
• Check that you have turned on the connection to the wireless network.
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