LG D320N Repair via USB with Medusa Box
If the device is in Qualcomm mode, there is no need to open the device and short-circuit it with tweezers. Because it recognizes the device in this box and uploads the file. Boot and load aboot files and download mode.
If you see QualComm 9008 mode, the device creates a dump file of 30 MBs in its own memory. If you can get it, put it on the memory card and watch the medusa jtag procedure.
LG_D320N_Repair Download