OnePlus Nord 2 5G
Android 11.0
Select help topic
1. Find "SIM card & mobile data"
Slide two fingers downwards starting from the top of the screen.
Press the settings icon.
Press SIM card & mobile data.
2. Turn VoLTE on or off
Press the required SIM.
Press the indicator next to "VoLTE calls " to turn the function on or off.
3. Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.