I have problems using the internet connection on my Apple iPhone 8

Press Settings.

Press Mobile Data.

Press Mobile Data Network.

idata.o2.co.uk

idata.o2.co.uk

Press APN and key in idata.o2.co.uk.

vertigo

vertigo

Press Username and key in vertigo.

password

password

Press Password and key in password.

Press arrow left to save the settings.

Press the Home key to return to the home screen.

Press Settings.

Press Mobile Data.

Press the indicator next to 'Mobile Data' to turn the function on or off.

Press the indicators next to the required applications to turn the function on or off.

Press the Home key to return to the home screen.

Press Settings.

Press Mobile Data.

Press Mobile Data Options.

Press the indicator next to 'Data Roaming' to turn the function on or off.

Press the Home key to return to the home screen.

Press the Top volume key.

Press the Bottom volume key.

Press and hold On/Off until your phone restarts.