The controller was deliberately locked by Toshiba/Kingston to prevent third-party reflashing. Unlike older SM3257 or SM3267 controllers, the TC58NC6623:
Before starting, understand that this process will and attempt to restore it to working order.
Before attempting to fix your drive, you need to identify it correctly.
Comprehensive Guide to Fixing USB Drives with TC58NC6623 & SSS6698BA Controllers Using MPTool tc58nc6623 sss6698ba mptool work
| Component | Details | |-----------|---------| | | Toshiba TC58NC6623 (rebranded Skymedi) | | Alternate ID | SSS 6698-BA (Skymedi) | | Common USB VID/PID | 0930:6544 (Toshiba) | | NAND support | Toshiba/SanDisk 15nm MLC/TLC, 1znm | | MPTool required | Skymedi SM3269AB or SM3268AB – but with TC58NC6623-specific DLLs |
After your MPTOOL work, dump a full binary image of the drive using dd or R-Studio . If the firmware corrupts again, you can flash it back without another full low-level scan.
The "Mass Production Tool" is proprietary factory software used during the manufacturing phase. For this specific controller, look for version releases categorized under or 3S OnCard Sorting Tool supporting the 6698 architecture on platforms like USBDev . Critical Files Inside the Archive Comprehensive Guide to Fixing USB Drives with TC58NC6623
Click or Scan to let the utility find your drive. Your device details should appear in one of the active channel slots.
) is a technical process that involves using specific "Mass Production Tools" (MPTools) to re-flash or repair corrupted firmware. This is often necessary when a drive shows as "No Media" or "Write Protected" due to software errors in the controller. Understanding the TC58NC6623 / SSS6698-BA TC58NC6623 is a rebadged version of the Solid State Systems (SSS) 6698-BA
If you are currently experiencing a specific error code while using the 3S Mass Production Tool, please reply with the exact , your full Flash ID Code , and your operating system version . I can help you find the right initialization parameters or suggest the next best step for your hardware setup. Share public link For this specific controller, look for version releases
Standard Windows formatting ( diskpart , format fs=fat32 ) only addresses logical partitions. It cannot fix:
Your USB flash drive suddenly stopped working. It shows as "Write Protected," displays "No Media" in Disk Management, or is not recognized at all. If your device uses the Toshiba TC58NC6623 (also known as Solid State System SSS6698BA) controller chip, it is likely not a hardware failure. The drive's firmware has simply crashed.
The tool requires a matching configuration file. If the SSS6698BA BIN file doesn't work, search for other .BIN files within the Binary folder of the MPTool that mention 6698.
If the drive is recognized, you may need to format it in Windows. Troubleshooting: When MPTool Doesn't Work
This controller requires specialized software to rewrite the firmware, especially when Windows or macOS cannot recognize the disk partitions. Prerequisites: Identifying Your Drive