First off download BitPim

Now, do this in your phone: Menu -> Settings –> Connections –> USB Connection Mode -> Data service:

Open terminal and type:(gksudo bitpim &) only without the parenthesis:

Click on View –> check mark "Filesystem":

Click on the icon "Edit Settings":

Now click on "Phone Wizard – Carriers: Verizon –> Manufacturers: LG –> Models:VX8700 –> Next":

under Port –> Auto:

Click Finish:

Click on Filesystem –> click on the arrow, it will feel like it is retrieving forever:

If done right you will see this:

Have fun!