Find "Network Mode"
Press Apps.
Press Settings.
Press Wireless and networks.
Press Mobile networks.
Press Network Mode
Select network mode
Press GSM/WCDMA (auto-mode), GSM only or 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 GSM only, you can't achieve high data speeds.
If you select WCDMA only, your device can only connect to 3G networks.
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 GSM only, you can't achieve high data speeds.
If you select WCDMA only, your device can only connect to 3G networks.
Exit
Press the home icon to return to standby mode.
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