Here is the walkthrough of that process, from identifying the hardware to the final fix.
Before you can install or use the tool, you must confirm exactly what you have. The PS2251-07 is a very popular Phison controller used in drives from brands like Kingston, Transcend, and many generic "no-name" drives. phison ps225107ps2307 mptool install
To ensure your USB drive actually uses the Phison PS2251-07 (PS2307) controller, you must analyze it with hardware detection software. Here is the walkthrough of that process, from
This is a common journey for anyone trying to repair a corrupted USB flash drive or reset a fake drive (one that reports false capacity). phison ps225107ps2307 mptool install