Smi Mptool Sm32x Sm34x Smi Mass Production Tool Extra Quality Jun 2026

Download a trusted USB hardware identifier tool like or Flash Drive Information Extractor (Innostor) . Insert your corrupted USB drive into your computer. Launch the diagnostic tool. Locate the Controller Vendor and Controller Part Number . Look for output resembling:

Right-click sm32Xmptool.exe and select . Plug in your corrupted USB drive. Click the Scan USB (F5) button in the software interface.

Click on the button on the right-hand panel. Download a trusted USB hardware identifier tool like

: The MPTool software build is either too old or too new to recognize the precise layout database of your physical flash storage chip. Download a different version of the MPTool suite.

If you’ve ever encountered a "Write Protected," "No Media," or "Disk Raw" error on your USB flash drive, you know how frustrating it can be. Often, standard Windows formatting tools fail to fix these deep-seated controller issues. This is where the —often referred to as the "extra quality" solution for Silicon Motion controllers—comes into play. Locate the Controller Vendor and Controller Part Number

Replaces corrupted USB controller microcode with fresh factory firmware.

Ensure the dropdown menu matches your exact chip (e.g., SM3268AB). Click the Scan USB (F5) button in the software interface

Ensure you are using the correct version of the tool. If it still fails to detect, you may need to look up a guide on putting the chip into Test Mode by shorting specific pins on the controller chip with a sewing needle while plugging it into the computer.