ROP (except sc9832e) for download and fallback download are unified now.
spd_dump in zips uses official spreadtrum driver, if you need libusb version, download spd_dump_stable.zip from here and replace spd_dump.exe
information for TECNO, itel, Infinix, ZTE(nubia) users: there might be an update with anti-rollback enabled to BLOCK your unlock.
current support list and black list