Originally Posted by an0maly13
Rooted using Framaroot, but didn't unlock bootloader. GOt Security error on boot as a result.
Now trying to use LGNPST to fix, but my computer isn't recognizing my phone in download mode. am using windows 8.1 and all ports are usb 3.0.
Did you run tSilenzio's autoLGNPST? If so, did you run install.bat as administrator? <--That seem to be the most common issue.
Check Device Manager for any devices with a warning sign or Unknown devices.