Blackberry 9900 Cell Phone User Manual


 
Switch wireless networks manually
To perform this task, your wireless service plan must include this service and your BlackBerry® smartphone must be connected
to a GSM® or UMTS® network.
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.
Related information
I can't connect to the mobile network, 242
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 that allows you to turn on or turn off data service when roaming, change the While Roaming field
to Prompt.
4. Press the key > Close.
Related information
I can't connect to the mobile network, 242
Data service unavailable, 243
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 travelling. You can use the preferred wireless network list to control the order in which your BlackBerry®
smartphone uses these other wireless networks.
User Guide
Manage Connections
239