| Symptom | Fix | |---------|-----| | Driver installs but device disappears | Try different USB port (USB 2.0, not 3.0) | | Code 39 (corrupt driver) | Run pnputil /delete-driver then reinstall | | Linux not seeing device | modprobe ftdi_sio vendor=0x346d product=0x5678 | | macOS not working | Use HoRNDIS or patched AppleUSBSerial.kext |
Click "Start" or "Product" to begin the re-flash process.
⚠️ The MPTool is powerful. Use it with caution, as incorrect settings can permanently damage the drive. Always double-check your settings and ensure you have a backup of any important data before proceeding. vid 346d pid 5678 best patched
Since this appears to be a very specific driver, USB hardware ID, or firmware reference (common in device manager for things like webcams, USB-to-serial adapters, or specialized industrial gear), I have written the post to solve the general problem of chasing down a "broken" VID/PID combo and finding the "best patched" solution.
, performance for VID 346D / PID 5678 varies wildly. Sequential read speeds can hover around 19MB/s, while write speeds might be as low as 6.5MB/s. They are best suited for light data transfers rather than high-performance tasks or long-term backups. | Symptom | Fix | |---------|-----| | Driver
If the drive becomes unreadable or displays as "No Media," technical users often use FirstChip MpTools
Note: Avoid using basic tools like ChipEasy for this controller, as they often fail to extract the full 6-byte FID payload required for FirstChip architectures. Step 2: Download the Best Patched "MpTools" Software Always double-check your settings and ensure you have
Re-enter the Settings menu and toggle the scan mode to Factory Scan .
