Clears hard-locked write protection errors that standard Windows utilities cannot bypass.
Click the Scan USB (F5) button. Your USB drive should appear in one of the numbered boxes (e.g., Port 1).
Allows you to partition a portion of the flash drive to act as a physical, read-only CD/DVD-ROM drive. This is highly useful for secure OS deployment or IT diagnostics.
Fixes issues where a 64GB drive suddenly shows up as only 8MB or 0B. smi mptool sm32x sm34x smi mass production tool
If your USB flash drive is corrupted, showing a "Write Protected" error, displaying "No Media" in Disk Management, or refusing to format, it is likely experiencing firmware corruption. For flash drives built on controllers, the ultimate solution to revive, repair, or repartition the drive is the SMI MPTool (SM32x / SM34x) Mass Production Tool .
Click the button in the top right or center area.
An error occurred. Note the error code (e.g., Initial Parameter Fail , Bad Block Over ) to troubleshoot. Troubleshooting Common SMI MPTool Errors Allows you to partition a portion of the
Move to a rear USB 2.0 port; ensure the MPTool supports your exact SM32x/34x chip. The software cannot read the NAND flash geometry.
Unlike standard formatting utilities, the SMI Mass Production Tool operates at the hardware level. Its core functionalities include:
Download a trusted hardware verification utility like or Flash Drive Information Extractor . If your USB flash drive is corrupted, showing
Depending on your precise recovery goal, you must choose between different testing configurations inside the settings menu: Operational Function Primary Use Case Risk Level
The SMI MPTool is a low-level firmware flashing utility. Unlike standard formatting tools, it communicates directly with the USB controller to re-initialize the NAND flash memory, verify bad blocks, and rewrite the firmware (ISP). Key Capabilities: Fixing "No Media" Errors:
The software operates in a "Mass Production" environment, meaning it is designed to program multiple drives simultaneously via USB hubs.