how use iphone 4s for modem

[virgilio]

hi, what programe i need to use my iphone 4s for modem in my laptop. than you

[fonger]

tether it..
see here:
http://www.pcworld.com/article/240794/how_to_tether_your_iphone.html

[Dish expert]

you can Also use a app call iphonemodem, it turn your iPhone into a wifi AP.