Samsung Galaxy Note9
Android 8.1
Select network mode
There may be different network modes available depending on where you are. The network mode influences the data speeds your phone can achieve.
1. 1. Find "Network mode"
Slide your finger downwards starting from the top of the screen.
Press the settings icon.
Press Connections.
Press Mobile networks.
Press Network mode.
2. 2. Select network mode
Press the required network mode.
3. 3. Return to the home screen
Press the Home key to return to the home screen.