Here is a collection of drivers and manual software updates for all products of LG mobile phones including LG Enlighten, extravert and LG LTE 4G Spectrum (Verizon).
Verizon LG Phones:
USB Driver for LG Phone ALL (non Android) :
http://www.lg.com/us/support/mc-support/drivers/LG%20_USB%20_Drivers_All_4.9.7.zip
File: LG _USB _Drivers_All_4.9.7.zip
Size: 2.4MB
USB Driver LG Android All Ver 1.0:
http://www.lg.com/us/support/mc-support/drivers/LGAndroidDriver_Ver_1.0_All.exe
File: LGAndroidDriver _Ver_1.0_All.exe
Size: 9.4MB
LG VS660 (LG Vortex) USB Driver download:
http://www.lg.com/us/support/mc-support/drivers/LGVS660.zip
File: LGVS660.zip
Size: 13.9MB
LG Extravert VN271 Update Software, Driver and Manual Download
User Manual :
http://www.lg.com/us/products/documents/VN271_Extravert_User_Manual_EN.pdf
All drivers are support Windows XP (All packs), Vista and Win Seven
LG LS670 (Optimus S) CDMA (Sprint)
http://www.lg.com/us/support/mc-support/drivers/LGLS670.zip
Data sheet:
http://www.lg.com/us/mobile-phones/pdf/LG_Optimus_S_Datasheet.pdf
LG VS920 Spectrum LTE 4G (Revolution 2)
LG Spectrum user manual download
http://www.lg.com/us/products/documents/LG-VS920_VZW_UG_V1%200_120111_web_EN.pdf
LG support tool to PC:
http://csmg.lgmobile.com:9002/client/app/B2CAppSetup.exe
LG Enlighten VS700 (Verizon)
http://www.lg.com/us/products/documents/RDL-1106-00321_VS700_manual1.0_110830.pdf
For models that are missing from the list, you can go directly to the LG Mobile phone official support page, contains guides to Install LG Mobile Support Tool application in advance before updating latest firmware for your phone, PC requirement and step by step how to do update and so on:
http://www.lg.com/us/support/mc-support/mobile-phone-support.jsp