Find "Network mode"
Press the Navigation key.
Scroll to Settings and press the Navigation key.
Scroll to Phone and press the Navigation key.
Scroll to Network mode and press the Navigation key.
Choose network mode
Highlight Dual mode or GSM and press the Navigation key.
3G enables you to achieve higher data speeds than when using GSM.
If you select Dual mode, your phone automatically switches between the two network modes provided that you're within range of a 3G network.
If you select GSM, you can't achieve high data speeds.
If you select Dual mode, your phone automatically switches between the two network modes provided that you're within range of a 3G network.
If you select GSM, you can't achieve high data speeds.
Exit
Press Disconnect to return to standby mode.