User manual

l Dual VoLTE: Both of your Phone's SIM card slots support VoLTE, allowing you to use the Internet
while making HD calls.
l Dual VoWiFi: Both of your Phone's SIM card slots support VoWiFi, which allows calls to be made
using Wi-Fi. You can use VoWiFi to make calls even in Airplane mode.
Some carriers may not support this feature.
Enable VoLTE to Enjoy HD Calls
l Some carriers may not support this feature.
l Only dual-SIM phones support both SIM card slots enabling 4G, VoLTE, and VoWiFi.
Open Settings, and go to Wireless & networks > Mobile network. In the settings section for
SIM 1 or 2 (if supported by your carrier network), you can:
l Enable 4G: Turn on 4G. Due to carrier customization, there may not be a 4G switch on your
device. This indicates 4G is already enabled and does not need to be turned on manually.
l Enable VoLTE calling: Turn on VoLTE calls.
l Enable Wi-Fi calling: Turn on Wi-Fi calling.
After the setting is complete, select the contact you want to call and touch to make a video call.
You can also touch on the screen during a voice call to switch to a video call.
Use VoWi-Fi for a New Calling Experience
You can use VoWi-Fi to make voice and video calls in any location that has a Wi-Fi network, even
when there is no mobile network reception.
This feature must be supported by your carrier. Contact your carrier for more information,
including fees and charges.
Open Dialer, go to > Settings > Wi-Fi calling, enable Wi-Fi calling. Touch Mode and
follow the onscreen instructions to set the preferred network.
Dialing
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