Mate20 Pro User Guide-(LYA-L09&L29,EMUI10.0_01,EN)

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 also 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 nd 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.
Settings
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