3s Usb Mass Production Utility Ver 3287 Top ((better)) Link

Incorrect settings, such as defining a capacity larger than the physical NAND size, can render the drive permanently unusable. Users are advised to use the "Auto Detect" feature whenever possible.

Not every USB drive works with this utility. Before downloading, verify your drive uses a 3S controller. You can do this using tools like (Windows) or lsusb (Linux). 3s usb mass production utility ver 3287 top