Maybe this USB Driver is the latest LG USB Driver. It can be used in LG Optimus One P500.
Why do I say,I made ​​reference to a friend’s blog：

This is USB driver for LG phone. If your computer didn’t recognize your phone, you must install this USB Driver. I has tested using LG Optimus One P500 and work well.

you can download LG P500 USB Driver  here:

LG Optimus One P500 USB Driver Download；

or  mirror:
LGUnitedMobileDriver_S497MA20_WHQL_ML_Ver_1.0

Z4 Root was created by XDA member RyanZA, You can download  the latest version of z4root by RyanZa from the following z4root download links

mirror 2 z4root 1.3.0 apk hotfile

How to root LG Optimus S?   There is now an application available called z4root which roots your phone using the same method detailed below. This has been confirmed to work on the Optimus line.

For details, please refer to this link：http://forum.androidcentral.com/lg-optimus-s-rooting-roms-hacks/43108-how-root-lg-optimus-s.html

Many friends are looking for the full LG420G manual pdf file.  Now you can download the LG 420G manual pdf file by any of the links below.

Tracfone LG 420G Quick Start Guide Download ; ( LG420G from lg.com/us 801K )

Tracfone LG 420G manual pdf Download ; ( User Guide from Tracfone.com 801k )

or  you can refer to this Available Tutorials for LG 420G, which acts as a full user manual of LG 420g, not just the Quick Start Guide. (more…)

LG Optimus U US670 has been published by US Cellular A few months ago. LG optimus u manual pdf file Can let you better use your LG US670 handset.

LG Optimus U US670 for US Cellular have the following features: Wi-Fi, Android 2.2 Froyo, mobile hotspot capability, a preloaded 2GB microSD card, 3.2-megapixel auto-focus camera and a 3.2” capacitive touchscreen display.

You can download the LG US670 user manual pdf file through the link below: (more…)