Reviving "Dead" USB Drives: A Guide to the TC58NC6623 / SSS6698-BA MPTool
If the tool does not automatically recognize your drive, you may need to manually point the software to the correct ISP (In-System Programming) firmware file. In the "Settings" or "Config" section of the MPTool, ensure the matches the controller version. 3. The Flashing Process
The is a controller chip manufactured by Solid State System (SSS) but often rebranded or utilized heavily by Toshiba in their TransMemory U202 and U301 series. In the technical community, this controller is functionally identical to the SSS6698-BA .
You are likely using an MPTool version that doesn't include the binary for your specific NAND. Look for a "Firmware" subfolder and ensure the .bin files are present.
Try using a USB 2.0 port. These low-level flashing tools often struggle with the drivers for USB 3.0/3.1 controllers.
Before downloading any software, confirm your drive's controller using a hardware identification tool like or Flash Drive Information Extractor . You are looking for: Controller: SSS6698-BA / TC58NC6623 Flash ID: (e.g., Toshiba, SanDisk, or Hynix NAND strings)
The tool will begin erasing the bad blocks, scanning the NAND, and rewriting the firmware.


