: If the drive is completely unresponsive, you may need to manually enter "Test Mode" by shorting specific pins on the controller chip (only for advanced users).
For USB drives powered by Phison controllers, is one of the most reliable and widely used production tool utilities designed to reflash firmware, fix partition tables, and restore dead USB drives to factory settings.
To understand MPALL, one must first understand Phison Electronics. This Taiwanese public company is a major designer and manufacturer of NAND flash memory controllers, which serve as the "brain" inside countless USB flash drives, solid-state drives (SSDs), and memory cards. It is highly likely that many USB drives in your possession, from budget-friendly models to premium ones, contain a Phison controller.
Users can edit the MPParamEdit_F1.exe file to customize the drive's reported manufacturer name, serial number, and power consumption specs. ⚠️ Vital Considerations for Use
The drive shows up in Device Manager but not in Windows Explorer. "Please insert disk into drive" errors occur. Preparation: Prerequisites for Using MPALL v3.70.0E Before beginning the repair, you need the correct tools:
MPALL permanently erases all data on the target drive during the low-level recovery process. It should only be used as a last-resort repair tool.
Phison MPALL v3.70.0e generally supports the following controller series (though success depends heavily on matching the correct firmware): PS2251-67 PS2251-68 PS2251-50 PS2251-61
Download and extract the MPall V3.70.0e package. Do not run from inside the ZIP archive. Place it in a short path, e.g., C:\MPALL_V3.70\ .
If the drive is recognized, click the button at the bottom left.