1. Find "Carrier"
Tap Settings.
Tap Carrier.
2. Choose option
Choose one of the following options:
Select network manually, go to 2a.
Select network automatically, go to 2b.
3. 2a - Select network manually
If automatic network selection is turned on:
Tap the indicator next to "Automatic" until the function is turned off.
Your phone will search for networks within range.
Tap the required network.
Your display will tell you if you've access to the network you've chosen.
4. 2b - Select network automatically
Tap the indicator next to "Automatic" until the function is turned on.
5. Return to the home screen
Tap Settings to save the setting.
Tap the Home key to return to the home screen.