If you’ve encountered a "Write Protected," "Please Insert Disk," or "Capacity 0MB" error on your USB flash drive, you are likely dealing with a corrupted controller firmware. For drives utilizing the (also known as the Solid State System SSS6698-BA ) controller, the MPTool (Mass Production Tool) is the definitive solution for factory-level restoration. Understanding the Hardware
Locate the specific version of the MPTool compatible with SSS6698-BA (often labeled as SSS6698 USB Flash Sorting or MPTool v2.xxx ). Extract the ZIP file to a folder on your desktop. 2. Configure the Tool tc58nc6623 sss6698-ba mptool
Confirm your controller is actually the SSS6698-BA. Use a utility like ChipGenius or Flash Drive Information Extractor to verify the Controller Part-Number. If you’ve encountered a "Write Protected," "Please Insert
Inside the folder, you will usually find an .ini file (e.g., 6698_Toshiba_43nm_D2.ini ). This configuration file tells the software how to handle the specific NAND flash paired with your TC58NC6623 controller. Open the main executable ( SSS_MPTool.exe ). Extract the ZIP file to a folder on your desktop
If the box turns yellow or blue, it recognizes the controller.
These tools are often older and run most reliably on Windows 7 or Windows 10 (run as Administrator). Step-by-Step Recovery with SSS6698-BA MPTool 1. Download and Extract