How to change network mode on your Apple iPhone Xs Max

Press Settings.

Press Mobile Data.

Press Mobile Data Options.

Press Voice & Data.

Press the required network mode.

There may be different network modes available depending on where you are. If you set your phone to the fastest network mode, it will always find the network with the highest data speed and best signal.

Slide your finger upwards starting from the bottom of the screen to return to the home screen.