If the MPUtility recognizes the drive but says "no firmware found," you may need to search the USBDev Forum
The (also identified as 3S6698-BB or 0xBB ) is a USB flash drive controller manufactured by Solid State System (3S) , commonly found in drives like the Kingston DataTraveler 2.0 (DTSE9) . sss6698-bb usbdev
If you still wish to attempt a physical restoration of your bricked drive, you should follow standard low-level flashing procedures: If the MPUtility recognizes the drive but says