Not available to prepaid card users.
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Via handset Setting, select “Mobile Data Options" |
Select “Mobile Data” |
Select “Voice & Data” |
Turn on “4G, VoLTE On” |
Via handset Setting, select “Connections" | Select "Mobile networks" | Turn on “VoLTE calls SIM 1” |
Via handset Setting, Select "Mobile networks" | Turn on “VoLTE” |
Via handset Setting, select “Networks & Internet" | Select "Mobile network" | Select “Advanced" | Turn on “Enable VoLTE” |
Via handset Setting, select “Wireless & networks " | Select "Mobile network" | Turn on “VoLTE calls” |
Via handset Setting, select “SIM cards & mobile networks " | Select “SIM card settings" | Turn on “Use VoLTE” |