Find "GSM/UMTS Network Preferences"
Press the menu icon.
Press Settings.
Press More....
Press Mobile networks.
Press GSM/UMTS Network Preferences.
Select network mode
Press one of the following options:
GSM/WCDMA (auto-mode)
GSM/WCDMA (auto-mode)
3G enables you to achieve higher data speeds than when using GSM.
If you select GSM/WCDMA (auto-mode), your device automatically switches between the two network modes provided that you're within range of a 3G network.
If you select WCDMA only, your device can only connect to 3G networks.
If you select GSM only, you can't achieve high data speeds.
If you select GSM/WCDMA (WCDMA preferred), 3G is preferred over 2G if both network modes are available.
If you select GSM/WCDMA (auto-mode), your device automatically switches between the two network modes provided that you're within range of a 3G network.
If you select WCDMA only, your device can only connect to 3G networks.
If you select GSM only, you can't achieve high data speeds.
If you select GSM/WCDMA (WCDMA preferred), 3G is preferred over 2G if both network modes are available.
WCDMA only
3G enables you to achieve higher data speeds than when using GSM.
If you select GSM/WCDMA (auto-mode), your device automatically switches between the two network modes provided that you're within range of a 3G network.
If you select WCDMA only, your device can only connect to 3G networks.
If you select GSM only, you can't achieve high data speeds.
If you select GSM/WCDMA (WCDMA preferred), 3G is preferred over 2G if both network modes are available.
If you select GSM/WCDMA (auto-mode), your device automatically switches between the two network modes provided that you're within range of a 3G network.
If you select WCDMA only, your device can only connect to 3G networks.
If you select GSM only, you can't achieve high data speeds.
If you select GSM/WCDMA (WCDMA preferred), 3G is preferred over 2G if both network modes are available.
GSM only
3G enables you to achieve higher data speeds than when using GSM.
If you select GSM/WCDMA (auto-mode), your device automatically switches between the two network modes provided that you're within range of a 3G network.
If you select WCDMA only, your device can only connect to 3G networks.
If you select GSM only, you can't achieve high data speeds.
If you select GSM/WCDMA (WCDMA preferred), 3G is preferred over 2G if both network modes are available.
If you select GSM/WCDMA (auto-mode), your device automatically switches between the two network modes provided that you're within range of a 3G network.
If you select WCDMA only, your device can only connect to 3G networks.
If you select GSM only, you can't achieve high data speeds.
If you select GSM/WCDMA (WCDMA preferred), 3G is preferred over 2G if both network modes are available.
GSM/WCDMA (WCDMA preferred)
3G enables you to achieve higher data speeds than when using GSM.
If you select GSM/WCDMA (auto-mode), your device automatically switches between the two network modes provided that you're within range of a 3G network.
If you select WCDMA only, your device can only connect to 3G networks.
If you select GSM only, you can't achieve high data speeds.
If you select GSM/WCDMA (WCDMA preferred), 3G is preferred over 2G if both network modes are available.
If you select GSM/WCDMA (auto-mode), your device automatically switches between the two network modes provided that you're within range of a 3G network.
If you select WCDMA only, your device can only connect to 3G networks.
If you select GSM only, you can't achieve high data speeds.
If you select GSM/WCDMA (WCDMA preferred), 3G is preferred over 2G if both network modes are available.
Exit
Press the home icon to return to standby mode.