Following is a guide on how to downgrade the LG Vortex from 2.2.1 to 2.2 and get root back. LG Phone Problem and Solution
How to downgrade LG Vortex from 2.2.1 to 2.2? This is a guide on how to downgrade your phone if you updated to 2.2.1 and lost root. LG-Vortex info
First you will have to get files from here
Extract it to your desktop
The file "LGNPST_General_v1.2_Lab_Version.msi" must be run first. this installs the program but it will be unusable. Take the file in the "LGNPST LAB 1.2" folder and copy and paste it into "C:/LG Electronics/LGNPST/".
Make a shortcut on your desktop for this file as it is the one needed to make the program work.
Than install the Companent and Generic files From here
This will install all versions of the .dll’s from 1.0 to 5.0
Next create a folder named "Model" and "LGVS660" in "C:/LG Electronics/LGNPST/".
Now extract the KGVS660.rar and put the "tot’, SCR and the dll file into the "LGVS660" Folder.
Now open up the run program and put this in there (regsvr32 "C:\LG Electronics\LGNPST\Model\LGVS660\VS660.dll") without the ()
From there open LGNPST from your shortcut. If your phone is plugged in it should recognize it immediately. If it doesn’t click "File" then "Select DLL then choose MS690.dll from the list.
Make sure that where it says "Provision" it is set to "Upgrade". Do not ask about any of the other modes because I have no idea what they do or how they work.
Where it says "BIN file" click the folder icon and type in *.* where it says file name then click "Open" then choose the "MS690ZV3_36.S3_36.P3014.tot" file.
Put a check mark in "SCR file" and add the "Common_UserSCR_00.scr" file
Once that’s done you’re set for a complete restore and back on the path of 2.2 and get rooted again.
Download files and view pictures below
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