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

2 Go to Settings > Mobile network > Mobile data. In the network settings area of SIM
1 or SIM 2, you can:
• Enable 4G by turning on the Enable 4G switch. If the Enable 4G switch is not
available, 4G will be enabled by default.
• Enable VoLTE by turning on the VoLTE HD calls switch.
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 also touch to switch to a video call.
Manage Incoming Calls
You can use the call waiting feature to answer incoming calls when you are already engaged
in a previous call.
If you cannot answer a call because your phone is faulty or the network signal is poor, you
can also set call forwarding to forward calls to another number or device.
Answer or Reject an Incoming Call
If you receive a call when the screen is locked:
• Drag right to answer the call.
• Drag left to reject the call.
• Touch
to reject the call and reply with an SMS message.
• Touch to set a callback reminder.
If you receive a call when the screen is unlocked:
• Touch
to answer the call.
• Touch to reject the call.
• Touch
to reject the call and reply with an SMS message.
• Touch to set a callback reminder.
Apps
90