hello please help me repair my k750@w800

i tried to flash w800 R1BD MAIN to my phone to be used for elfpack. at the RAW address, i changed it to 4400-0000, len 0002-0000.

now phone phone wont turn on. XS, FAR and seatool wont recognize phone. tried 2+5 then plug USB, still phone not recognize.

any procedure to revive my phone to working state? i have backup of original GDFS, if it helps and a DCU-60 cable for flashing.

pls help me revive my phone

Thanks