Apple iPhone 8 Plus
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.
Press Settings.
Press Mobile Data.
Press Mobile Data Options.
Press Voice & Data.
Press the required network mode.
Press the Home key to return to the home screen.
1. 1. Find "Voice & Data"
2. 2. Select network mode
3. 3. Return to the home screen