Volte - Huawei Mate 10 Pro User Manual

Some carriers may not support this feature.
Enable VoLTE to Enjoy HD Calls
Open Settings, and go to Wireless & networks > Mobile network. In the settings section,
you can:
Enable 4G: Turn on Enable 4G. Due to carrier customization, there may not be a 4G switch
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on your phone. This indicates 4G is already enabled and does not need to be turned on
manually.
Enable VoLTE calling: Turn on VoLTE calls. Due to carrier customization, there may not be
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a VoLTE switch on your phone.
Dialing
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