: The identifier TC58NC6623 is Toshiba's proprietary part number for the controller, while SSS6698-BA is the original designation by Solid State Systems (3S). They refer to the exact same chip hardware.
Repairing a USB flash drive with the controller (often paired with SSS6698-BA
A typical ChipGenius report output looks like this:
Bricked drives are exactly what MPTool was designed to fix. tc58nc6623 sss6698ba mptool fixed
file that matches your flash memory type (e.g., Toshiba or Hynix MLC/TLC). Low-Level Erase : Some recommend running the U3S SafeEraseUtility
Reviving "Dead" USB Drives: A Guide to Using TC58NC6623 / SSS6698BA MPTool
Locate the file 3S_USB_Mass_Production_Utility.exe (or MPTool.exe ) and run it as an Administrator. Insert the Drive: Plug in your TC58NC6623 flash drive. : The identifier TC58NC6623 is Toshiba's proprietary part
These tools are older. Running them in Compatibility Mode for Windows 7 as an Administrator is highly recommended. Step 3: Configuring the MPTool Launch the MPTool.exe .
Always scan downloaded executables with antivirus software before running. Some MP tools are flagged as potentially harmful because they write directly to hardware; this is common with these utilities.
If the drive is recognized, the status bar next to the port will turn yellow or blue, displaying basic capacity and controller details. file that matches your flash memory type (e
Use a tool like ChipGenius or Flash Drive Information Extractor . Confirm that your controller is indeed the SSS6698-BA or TC58NC6623 .
This usually indicates the physical NAND flash is physically damaged (worn out), and the controller cannot write the new firmware to the chip. Conclusion