Nokia Lumia 930

Find "add Internet APN"

Slide your finger down the display starting from the top edge of your phone.
Press ALL SETTINGS.

Find "add Internet APN"

Press mobile+SIM.

Find "add Internet APN"

Press SIM settings.

Find "add Internet APN"

Press add Internet APN.

Enter APN

Press the field below "APN".
If you're on a pay monthly price plan:
Key in wap.vodafone.co.uk
If you're on a pay as you go or VOXI price plan:
Key in pp.vodafone.co.uk

Enter username

Press the field below "Username" and key in wap

Enter password

Press the field below "Password" and key in wap

Select authentication type

Press the drop down list below "Authentication type".

Select authentication type

Press PAP.

Save data connection

Press the save icon.

Return to the home screen

Press the Home key to return to the home screen.