This is the most frustrating part of the process. MP Tools are leaked by factories, not released officially. You will find many fake or virus-laden versions.
If you follow this guide—especially the bridge mode activation and the version selection—you can restore 80% of "dead" PS2251-07 drives to full working order. Just remember: respect the tool, verify your firmware, and always test the drive thoroughly after a successful flash. phison ps2251-07-ps2307- mptool
: Using a mismatching version of the tool or the wrong firmware (e.g., mixing up the "Burner" file and the "Firmware" file) is the fastest way to permanently kill the drive. Obscure Documentation This is the most frustrating part of the process