Before using this tool, you must identify your drive's hardware using a scanner like or Flash Drive Information Extractor .
Before opening the tool:
Insert your flash drive. The software should show a green or yellow box indicating the port is connected. Configure: Click "Setting". Password: Often, the default password is empty or 0000 . 3s usb mass production utility ver 3287 top
: Open the configuration file (usually named after the controller, e.g., 6697_HY_26nm.INI ) and ensure the VID/PID matches your device. Run as Admin
One wrong setting in the .ini configuration file can permanently "brick" the drive, making it completely unreadable even to the utility itself. Before using this tool, you must identify your
: Ensure the utility points to the correct binary driver code inside the program's subfolders. Selecting an auto-detect setting is usually safest unless you have a dedicated .BIN firmware file for your specific NAND chip.
Click (or the corresponding refresh button) so the tool detects the device. Configure: Click "Setting"
If successful, the slot container will turn and display a PASS status. If it turns Red and displays a specific error code (e.g., Error 16 - Flash OS Fail ), it means the configuration file settings do not match your NAND memory structure perfectly, or the chip hardware is physically degraded beyond repair. Troubleshooting Common Errors Error: "Device Not Found"
: For advanced users, the configuration can often be unlocked with the password 5526568 to tweak firmware paths or vendor information.