Ports (COM & LPT) -> Qualcomm HS-USB QDLoader 9008 (COMx) EDL initially speaks Sahara protocol – it requires a signed Firehose loader (leaked or extracted from factory firmware).
# Using bkerler/edl tool (Linux/Windows) edl --loader=prog_firehose_ddr.elf --memory=ufs If successful, output: flash samsung edl mode
edl --flash recovery recovery.img