Use VoLTE to Make HD Video Calls
VoLTE (Voice over LTE) is an IP-based data transmission technology. After enabling VoLTE,
it can provide you with fast call connection times and high-quality voice and video calls.
Enable VoLTE
Contact your carrier to activate the VoLTE for your SIM card. If both the and
SIM card trays of a dual-SIM phone VoLTE, it can be enabled for both
SIM cards.
• feature may depending on your carrier.
• 5G are only available in some countries and regions.
• Enable 5G if the 5G network is VoLTE feature will then be enabled by default.
Make a Video Call
Video calls are only possible when both are using VoLTE-activated devices.
1
Open Phone, touch the Contacts tab at the bottom of the screen, then select the
contact you want to call.
2 Touch to make a video call.
During a voice call, you can touch to switch to a video call.
Manage Data Usage
Open System Manager , then touch Data usage to view data usage and manage network
access.
View and Manage High Data-consuming Applications
1 In the Data usage this month of “Data usage management” you can view the
ranking of the data used by each application.
2 Tap on the high data-consuming application to restrict its use of mobile data, roaming
data, background data, etc.
Some applications (such as those generated by App Twin) cannot restrict Internet access in
the “Data usage management”. Please go to Settings > Apps > Apps, search for the name
of the app, and tap Data usage to restrict its Internet access.
View and Set the Internet Access for Apps
In the “Data usage management” tap Network access and uncheck Mobile data,
then set high data-consuming apps (e.g. video players) to be used only on Wi-Fi.
Some applications (such as those generated by APP Twin) cannot restrict Internet access in
“Data usage management”. Please go to Settings > Apps > Apps, search for the name of the
app, and tap Data usage to restrict its Internet access.
Settings
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