LG LS991 dead boot repair Loader not initialized [Answered]

I m facing the problem to repair LG LS 991 dead boot

logs

Welcome to Medusa Pro Software version 1.5.4.
Started.
Reader #0: Alcor Micro USB Smart Card Reader 0
Reader #1: Alcor Micro USB Smart Card Reader 1
Reader #2: FT SCR2000 0
Reader #3: FT SCR2000 1

Model Settings:
Interface : USB
Brand : LG
Model : LS991
SRF : C:/Program Files/Medusa Pro Software/firmwareFolder/LG_LS991_USB.srf
Core : Qualcomm MSM8992
Loader : QLoader_v2

Connecting...
Sending loader...OK.
Loader not initialized. Loader is not suitable for this device.