Do not use the "Setup.exe" if it fails. Use manual method:
| Problem | Likely Fix | |---------|-------------| | No COM port in SP Flash Tool | Reinstall v108 in test mode | | "BROM error: S_BROM_CMD_STARTCMD_FAIL" | Use v101 instead | | Yellow exclamation on "MTK USB Port" | Update via v108 manually | | Driver installs but phone not detected | Try different USB 2.0 port (not 3.0) | | Error 10 (device cannot start) | Uninstall driver, reboot, install v108 fresh | mtk usb driver all v108 v101
Assume reasonable defaults: modern Windows 10/11, user wants working drivers. Code 52 / “Windows cannot verify driver”: