User manual

Enable VoLTE
Contact your carrier to activate the VoLTE service for your SIM card. If both the primary and
secondary SIM card trays of a dual-SIM phone support VoLTE, it can be enabled for both SIM
cards.
• This feature may vary depending on your carrier.
• 5G services are only available in some countries and regions.
Make a Video Call
Video calls are only possible when both parties 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 Optimizer , then touch Data usage to view data usage and manage network access.
View and Manage High Data Consumption Apps
1 You can find out how much data your apps are using in comparison to each other by going to
Data usage this month on the Data usage screen.
2 Touch a high data consumption app to set mobile data, roaming data, or background data
usage limits for it.
View and Set the Network Access Permission of an App
On the Data usage screen, touch Network access, then change the settings for apps that
consume a large amount of data (such as video streaming apps) so they can only be used when
you are connected to a Wi-Fi network.
Enable or Disable Smart Data Saver
Enable Smart Data Saver to prevent apps from using mobile data in the background.
1 On the Data usage screen, touch Smart Data Saver, then enable it. The icon will then
display in the status bar.
2 If you want to allow unrestricted access to data for some apps even when they are running in
the background, toggle on the switches for these apps.
Add Mobile Data Usage Reminders
Add data plans for your SIM cards and usage reminders in Optimizer to keep you informed of
your data consumption.
Settings
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