OnePlus Nord
Android 11.0
Select help topic
1 Find "Network operators"
Slide two fingers downwards starting from the top of the screen.
Press the settings icon.
Press Wi-Fi & Network.
Press SIM & Network.
Press the required SIM.
Press Network operators.
2 Select network manually
Press the indicator next to "Choose automatically" to turn off the function and wait while your phone searches for networks.
Press the required network.
3 Select network automatically
Press the indicator next to "Choose automatically" to turn on the function.
4 Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.