Find "Service selection"
Press the Navigation key.
Scroll to Settings and press the Navigation key.
Scroll to Networks and press the Navigation key.
Scroll to Service selection and press the Navigation key.
Choose network mode
Highlight WCDMA or Auto and press the Navigation key.
3G enables you to achieve higher data speeds than when using GSM.
If you select WCDMA, your phone can only connect to 3G networks.
If you select Auto (auto mode), your phone automatically switches between the two network modes provided that you're within range of a 3G network.
If you select WCDMA, your phone can only connect to 3G networks.
If you select Auto (auto mode), your phone automatically switches between the two network modes provided that you're within range of a 3G network.
Exit
Press Disconnect to return to standby mode.