To help find the right version or diagnose a stubborn drive, let me know:
| Error Code | Meaning | Solution | | :--- | :--- | :--- | | | Read ISP (Firmware) fail | The controller is alive, but the NAND chip is dead. Replace the drive. | | 0x1042 | Bad block count over limit | Too many physical bad sectors. Use "Low Level Erase" once. If error repeats, drive is e-waste. | | 0x1020 | Device timeout | The drive took too long to respond. Change USB ports (USB 2.0 is often more stable than USB 3.0 for flashing). | | 0x8200 | Write protect error | The controller has locked itself. Try the "Preformat" button (if visible) or use MPALL (Mass Production Tool) instead of the simple formatter. | Formatter Silicon Power v.3.7.0.0 -PS2251-.162
Download a hardware diagnostic tool like or ChipGenius . Insert your USB drive into a native USB port on your PC. Run the diagnostic tool to generate a hardware report. To help find the right version or diagnose
The progress bar may appear to freeze; this is normal as the tool maps out bad sectors on the NAND memory. Step 5: Finalize and Test Use "Low Level Erase" once
Click the Format button and wait for completion.
This tool was developed around 2012 and is intended for use with USB 3.0 controllers, but it has been reported to work with numerous other Phison models.
The drive may be physically dead and beyond software repair. Locked firmware state.
