Download Minipro V6.50 [verified] (RECOMMENDED - Fix)

Open the MiniPro software → Help → About → It will show "TL866CS" or "TL866II Plus". Reply with your model for specific advice.

Try a different USB port (avoid USB hubs; plug directly into the motherboard). Driver Errors on Win 10/11: If drivers won't install, you may need to disable Driver Signature Enforcement in Windows recovery settings. Open Source Alternative: download minipro v6.50

Let’s say you want to flash a BIOS chip (e.g., a **SST Open the MiniPro software → Help → About

: Communities like EEVblog often maintain links to stable legacy versions for original hardware owners. Driver Errors on Win 10/11: If drivers won't

from the desktop shortcut. The software will open a “Device Connection” window. Select your model (TL866A/CS or TL866II Plus) and baud rate (leave as default, unless troubleshooting).

use different software (XgPro) and are not compatible with the older MiniPro v6.50. Counterfeit Issues