high guys today i will show u how to unbrick your dead lg g4 or only qualcom port…
I bricked my AT&T lg g4 h810 a few moth ago, and i find the solution.
If u have 9008 mode
need to downloads qualcom USB drivers [https://androidfilebox.com/tool/qualcomm-qdloader-hs-usb-driver-32-bit-
Put your H810 into right 9008 mode !(it necessary)! by connecting two points on motherboard then put usb [cable] at the same time (while u connected the points on motherboard points
Then open up Device Manger on your PC and u will see connected 9008mode phone
Download qpst files [https://androidmtk.com/download-qualcomm-flash-image-loader-qfil] download the latest QPST, and open QFIL.exe
Choose flat build, in programmer path choose “prog_emmc_firehose_8992_lite.mbn”, then load xml, rawprogram and path, and click download.
it should be done, after that charge your battery and go into download mode (volume up + usb cable)
now u can flash your H810 with the latest lg up