Phone [Q] Hard bricked LG D855

Hi i have a LG G3 (d855) i become it only in Qdloader mode (secure boot failer).

I make test with qpst, but i come only to "cookie(if present) not received".
The problem that the Flash programmer file canīt open , i have solved with a sahara.xml with the path to the mprg9874.hex.

Under Linux is the Phone only showen as ttyusb0

Can every body help me

Sorry for my bad english