SSS6697-B7 is a legacy USB 2.0 controller chip manufactured by Solid State Systems (3S)
Q: The MPtool says "Bad Block over setting" – what does that mean? A: This means your NAND flash has too many physical dead cells. The controller has run out of spare blocks to remap. The drive is dying. Get a new USB stick; this one is on its final leg.
When these drives fail, standard Windows formatting often fails with errors like "Windows was unable to complete the format". Recovery generally requires "Low-Level" intervention: Mass Production Tool (MP Tool) : The most effective fix for a corrupted SSS6697 B7 is the 3S USB Mass Production Utility
Repairing these drives involves identifying the exact hardware and using specialized service software.