I don't respond for What-So-Ever done any damage to your Phone, You must accept this risk with yourself..Hi all,I'm proud to present my useful tools. SRK Tool ,it's a tools for noob and advance user.This tool is connecting between LG G2 and computer that is a reason you must Enable USB Debugging mode befor use SRKToolDownload link
SRKtool_2.1_droidth.zip:
SRKtool_2.1_droidth.zipDownload link
SRKtool_2.0.2_droidth.zip:
(Require SRK Tool 2.0 and 2.0.1)SRKtool_2.0.2_droidth.zipDownload link
SRKtool_2.0.1_droidth.zip:
(Require SRK Tool 2.0)SRKtool_2.0.1_droidth.zipLittle update small size.Please download then unzip SRKtool_2.0.1_droidth.zip copy all files into SRKtool_2.0._droidth Folder.
Run srktool201.exe for start SRKtool 2.0.1 
Download link
SRKtool_2.0_droidth.zip:
SRKtool_2.0_droidth.zipDownload link
SRKtool_1.0.5_droidth.zip:
SRKtool_1.0.5_droidth.zipDownload link
SRKtool_1.0.4_droidth.zip:
SRKtool_1.0.4_droidth.zipDownload link
SRKtool_1.0.3_droidth.zip:
SRKtool_1.0.3_droidth.zipDownload link
SRKtool_1.0.2_droidth.zip:
SRKtool_1.0.2_droidth.zipHow to use1. ROOTED phone require
2. Enable USB Debugging mode
3. Plug device into Computer
4. Run srktool
5. Enjoy
Screen Shot
VDO-HOW TO UNBRICKhttp://www.youtube.com/watch?v=ERZvlJIC9dECredit gone to
Faheem Anjum who created useful tool.
Good Luck!