This is common in "extra quality" repair scenarios where the flash memory is heavily degraded. Try running the tool again with Erase Good Block Only to see if it allows a smaller, but working, capacity.
Found heavily in mainstream flash drives manufactured by Kingston, Transcend, SanDisk, and Lexar. The SM34x Series (High-Speed USB 3.2 & External SSDs)
: Set this to match the native capacity of your drive, or select Auto to let the tool find the stable, non-corrupted hardware maximum. This is common in "extra quality" repair scenarios
: The MPTool must match your specific controller. Incompatible versions may fail to detect the drive or could permanently damage it. Backup Your Data : This process performs a low-level format; all data on the drive will be erased 2. Initial Setup and Access Launch the Application : Run the executable file, typically named sm32Xtest.exe Access Settings : Click the button. You will be prompted for a password. Default Settings Password Debug Mode Password Load Configuration : Select the default configuration file (usually default.ini ) to begin customizing. 3. Key Configuration Parameters
Once you have verified your hardware details and downloaded the correct software version, follow this universal flashing workflow. Step 1: Launch and Detect The SM34x Series (High-Speed USB 3
The following settings directly influence the stability, performance, and longevity of the final product:
The firmware files bundled inside your specific MPTool version do not match the physical memory layout of your chip. You must source an alternate version of the mass production tool containing the appropriate ISP file. Backup Your Data : This process performs a
Select the default configuration file ( default.ini ) to load the editing workspace. Step 4: Configure the Production Parameters
When faced with persistent errors, such as Bad Block over setting or continuous failures after repeated attempts, the standard SMI MP Tool may not be sufficient. In these cases, the (Dyna MPTool) is the appropriate solution. Unlike the standard tool, Dyna MPTool is a "sorting" utility designed specifically for deep analysis and repair of lower-quality NAND. The Dyna tool performs a more exhaustive evaluation of each flash cell and can salvage drives that appear hopelessly corrupted to the standard MP Tool, though at the cost of significantly longer processing times.
If the USB drive is completely dead and software tools cannot detect it, you must carefully split open the plastic casing. Look at the square microchip on the circuit board with a magnifying glass to read the physical laser etchings (e.g., SM3271AC). Step-by-Step Guide: Repairing a USB Drive with SMI MPTool
Always plug the flash drive into a native on the back of the motherboard if repairing an SM32x series chip, as it offers the most stable connection for flashing.