[Guide/ Pictorial /Video ] How to solve Security error/Flash Stock TOT file LG E970

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Hi Guys , Just before 26 hrs i got security error on my LG Optimus G E970 and I don't know How to solve it. I searched alot and i didn't find proper Guide. So i think i should make one for other people.

This is descriptive Guide and cover almost every single part and Download links.

(For tools and firmware I don't own it , i just searched it on web/XDA so credits goes to Devs )

Download link LGNPST automated (credits goes to Dev) : http://bit.ly/14hPMxn

Firmware thread link : http://forum.xda-developers.com/show....php?t=2219953

Video :

now first you need to download firmware from site



Extract Zip and you will get TOT File


rename it to Bin


Now Download LGNPST automated Zip and Extaract it

After Extracting Run Install.bat as administrator


After completeing installation press enter


Now open Directory where LGNPST is installed

It is in LG electronics folder

for 32 bit system users go to programe files/ LG electronics
for 64 bit system users go to programe files(X86)/ LG electronics



Now open LGNPST in LGNPST folder


Connect your phone in USB by pressing and holding both Vol + and - key
It will connect to Download MOD


As you connect your phone drivers are started to be installed

After drivers are installed you will be able to see your device

Now click right side of DLL file files and select LS970.DLL


Now click right side of bin and select bin file which we renamed

Now click start and it warned you that this process will erase your data
click ok

Flashing will start and at 67-85 % it will flash firmware
if your device is booted then you can unplugg your device If not than you have to keep it plugged up to 100%


Credits :
@g33k3r
@adfurgerson
@whoamanwtf
And all other who helped me one way or other