Root [Sprint] LG Optimus G stuck in "Secure booting Error!"

[3rdEyeBlue]

I have looked everywhere, over 2 days and many hours but cannot find a way to fix this. I have read umpteen articles about using KDZ or LGNPST but all seem to be incomplete, missing something, or too confusing. Please, I was up all night last night until I cried in exhaustion and utter aggravation, can someone tell me where to find a correct, up-to-date, easy to follow article on unbricking my LG Optimus G (Sprint) LS970.

 

[sammyz]

I can find the links you need, but I am not writing a guide that already exists. Just use my links, read one of the guides you saw.

LGNPST:
http://androidforums.com/showthread.php?p=5805797

I don't have the Optimus G dll for lgnpst, but I'll try to look for it today.

The firmware i can either spend an hour a day trying to guess the link for the firmware, or you can PM me your IMEI/MEID/Serial Number and you can download it immediately.