T-Mobile shadow User Manual page 174

174 Getting Connected
Advanced options
From the Connections screen, you can access advanced options to specify the
service provider, the number of redial attempts, the amount of idle time to wait
before disconnecting, and so on.
1.
On the Home screen, select Start > Settings > Connections > Menu >
Advanced.
2.
Select a network service provider for each connection type. You can choose
Automatic to let the phone set a service provider for each connection by
default.
3.
Select Menu > Options.
4.
Choose the appropriate information in the remaining fields.
5.
Select Done.