with this hack, assuming that you pay for unlimited internet with your plan, you will be able to use your phone pretty much like a modem for your computer...i made this video to show you how to do it, sorry if its a little blurry, but i not only say what you need but i am putting instructions below the vid. so enjoy and happy hacking! IF YOU HAVE ANY QUESTIONS....JUST ASK
Open your enV touch and dial ##program11000 (##776472611000) and hit send.
When prompted for a service code just type six zeros. (000000)
Once in the menu, choose 4, then 1, then 8, then 4. This should be the MIP DUN NAI menu.
You will see email@example.com (5555555555 being your phone number). Simply delete the dun. so that all you are left with is firstname.lastname@example.org Save this and return to the home screen.
Connect your phone to your computer via USB. Allow the computer to install all necessary drivers. Once ready to use, go to Start/Network/Network and Sharing Center. Once there, click "set up a connection or network".
Click "set up a dial-up connection". If it gives you the option of choosing which port, hit LGE USB. When prompted for the ISP info enter this:
Dial-up number: #777
User name: email@example.com
Choose remember this password and rename your connection if you wish.
Allow it to verify information and all other processes until it shows that you are connected to the internet. Save the connection if you wish.