I was trying to revert my phone back to V9 from VD the root it. I followed this guide [How-to] Revert to LS670V9 after installing OTA LS670VC using KP500 (Diag mode) - Android Forums and got everything download right, then when I start the revert process it I got suck at the 2nd part of the LG Tool stage i think download process it said download update and update fail cannot connect. Then said for me to the LG home page. I did try to reinstall the drivers twice times and the same process again and got the same results each time . Can anyone help me?!?