Mass production tools are highly hardware-specific. Umptoolv6a.exe will work if your flash drive uses a supported ChipsBank controller.
When distributed to end-users or repair technicians, version V6A specifically serves to salvage corrupted "bricked" thumb drives. Supported Hardware Configurations Umptoolv6a.exe
: Fix "Write Protected" errors or drives that are no longer recognized by Windows. Mass production tools are highly hardware-specific
: The computer recognizes the USB controller plug, but the drive partition displays 0 bytes of usable space. Umptoolv6a.exe