How to get internet from my laptop to my iphone 3gs?

I have got an iphone 3gs and i want to get internet on it. I have tried searching ways to do this but every where i have looked they have made it so complicated.please, tell me a simple quick way to do this! I have got the usb cable that connects my iphone to my laptop so you can tell me all the ways to do this.

I do not know of a straight forward way of accessing internet on iPhone through a internet connected laptop, via the USB cable.

What you can try is to convert your laptop into a Wi-Fi hotspot, then use this Wi-Fi to connect your iPhone to. The iPhone would then go to internet through this Wi-Fi (the laptop Wi-Fi hotspot) - http://www.techquark.com/2009/01/configure-laptop-as-wifi-router.html

Other ways to do this require you have a separate Wi-Fi router - http://mobileoffice.about.com/od/phonesformobileworkers/a/how-to-reverse-tether-to-share-laptop-internet-connection.htm

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