Originally Posted by lagreat
Go to 'Manage Connections' and uncheck 'Mobile Network'. That will take you out to the internet using your 'Wi-Fi' connection.
Be aware that you'll not receive any phone calls or MMS/SMS while in this mode.
Probably the more straight forward option is in your browser to go to
under "Defualt Browser" pick "Hotspot Browser"
While surfing, make sure that the wifi icon is "lit up".