first install the sumsung pc studio software. than go to pc studio software 'manage internet connection icon. create a connection do not give user id and password now let it install. once connection is created go to start > My networkPlaces> View network connections. or click the newly created shortcut for internet on your desktop it will open a dialup connection. now put the user id and password both your phone number without '0' like '9393939399' and connect your phone with usb cable and dial your connection is ready for use enjoy. but browse at nite i will charge 30 paise /m good speed about 230 kbps.