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Sony Xperia Z1
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Choosing network mode for my mobile phone
You can select which network modes your mobile phone can use, eg. 3G or GSM. Your choice determines the data speeds you can achieve.
List view
1. Find "Network Mode"
Slide your finger down the display starting from the top edge of your mobile phone.
Tap Settings.
Tap Settings.
Tap More....
Tap Mobile networks.
Tap Network Mode.
2. Select network mode
Tap WCDMA only, GSM only, WCDMA (preferred)/GSM or 4G (preferred)/WCDMA/GSM.
3G (UMTS) or 4G (LTE) enables you to achieve higher data speeds than when using 2G (GSM).
If you select WCDMA only, your mobile phone can only connect to 3G networks.
If you select GSM only, you can't achieve high data speeds.
If you select WCDMA (preferred)/GSM, your mobile phone automatically switches between 3G and 2G provided you're within range of a 3G network.
If you select 4G (preferred)/WCDMA/GSM, your mobile phone automatically switches between the three network modes provided you're within range of a 3G or 4G network.
If you select WCDMA only, your mobile phone can only connect to 3G networks.
If you select GSM only, you can't achieve high data speeds.
If you select WCDMA (preferred)/GSM, your mobile phone automatically switches between 3G and 2G provided you're within range of a 3G network.
If you select 4G (preferred)/WCDMA/GSM, your mobile phone automatically switches between the three network modes provided you're within range of a 3G or 4G network.
3. Return to the home screen
Tap the home icon to return to the home screen.
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