Phison Ps2251-07-ps2307- Mptool -

If the software cannot start the write process, you may need to enter "Test Mode" by manually shorting pins on the controller chip (advanced users only). Safety and Risks Using an MPTool is a "nuclear option" for USB repair.

Remove software-level locks that Windows cannot bypass. phison ps2251-07-ps2307- mptool

The "Mass Production Tool" is not a standard formatting utility. It communicates directly with the controller chip to: Wipe the NAND flash memory entirely. Update Firmware: Overwrite corrupted controller software. If the software cannot start the write process,