Set to Erase All Block for heavily corrupted drives, or Erase Good Block Only for quicker, lighter repairs.
The Ultimate Guide to SMI MPTool (SM32x & SM34x) Mass Production Tools
: Modifies manufacturer data, Vendor IDs, and Product IDs. 🔍 Supported Controllers: SM32x vs. SM34x
: Modifies the Vendor ID (VID), Product ID (PID), manufacturer name, and serial numbers. smi mptool sm32x sm34x smi mass production tool hot
After successful entry, you will be presented with a configuration dialog. Many users simply load the profile and change only a few key options.
The line covers a vast range of USB 2.0 and USB 3.0/3.2 controllers. High-performance models like the SM3267AE are commonly found in reputable brands like Samsung , Transcend , and Corsair. The SM34x series, such as the SM340AB, is rarer but often used for specialized card reader applications.
: For drives using lower-quality "downgrade" NAND flash, the standard MPTool may fail. In these cases, the Dyna Mass Storage Production Tool is often required for successful sorting and flashing. Standard Usage Procedure Launch Utility : Open the executable (often named sm32Xtest.exe ) and connect the USB drive. Scan Device Scan USB (F5) to have the software detect the drive on the USB hub. Configure Settings , enter the default password , and select a configuration file (usually default.ini Set Pretest Mode : For deep repair, set "Pretest" to Erase All Block . For healthy drives needing a simple reflash, Erase Good Block Only may suffice. Start (Space Key) Set to Erase All Block for heavily corrupted
The SMI MPTool is a low-level factory software used by manufacturers to "initialize" flash drives before they hit the shelves. While it's a "Mass Production" tool, it has become a staple in the tech community for DIY repairs. It talks directly to the hardware controller, bypassing the limitations of your operating system.
The tool is locked behind specific passwords to prevent accidental hardware damage. SMI MPTool SM32X \ SM34X [SMI Mass Production Tool]
(or identifying "fake" flash drives).
Download the exact SMI MPTool version corresponding to your controller.
The tool cannot communicate with the NAND memory. Try a different USB port (preferably USB 2.0).