Google Pixel 3

Find "Advanced"

Slide two fingers downwards starting from the top of the screen.

Find "Advanced"

Press the settings icon.

Find "Advanced"

Press Network & Internet.

Find "Advanced"

Press Mobile network.

Find "Advanced"

Press Advanced.

Select network automatically

If you want to select a network automatically, press the indicator next to "Automatically select network" to turn on the function.

Select network manually

If you want to select a network manually, press the indicator next to "Automatically select network" to turn off the function and wait while your phone searches for networks.

Select network manually

Press the required network.

Return to the home screen

Press the Home key to return to the home screen.