I can't make video calls
Select network mode
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1Find "Network Mode"
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Slide your finger down the display starting from the top edge of your phone.
Press the settings icon. - Press Mobile networks.
- Press Network Mode.
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Slide your finger down the display starting from the top edge of your phone.
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2Select network mode
- Press GSM/WCDMA/LTE, GSM/WCDMA auto, WCDMA only or GSM only.
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3G (UMTS) or 4G (LTE) enables you to achieve higher data speeds than when using 2G (GSM). If you select GSM/WCDMA/LTE, your phone automatically switches between the three network modes provided that you're within range of a 3G or a 4G network. If you select GSM/WCDMA auto, your phone automatically switches between 3G and 2G provided that you're within range of a 3G network. If you select WCDMA only, your phone can only connect to 3G networks. If you select GSM only, you can't achieve high data speeds.
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3Return to the home screen
- Press the Home key to return to the home screen.
Can you make a voice call?
It's important to find out if you can make a voice call. If you can't make a voice call, you need to solve this problem first. When the problem is solved, you will most likely also be able to make video calls.