Do not guess your controller type. Run or ChipEasy . You must verify that the "Controller Vendor/Part-Number" reads: Phison PS2251-07(PS2307) .
You cannot flash the controller with software alone. You must pair the tool with the exact binary definitions found on repositories like the Phison PS2251-07 (PS2307) Firmware Archive . phison ps225107ps2307 mptool link
), map the correct paths to your loaded BN07 and FW07 files, and save the profile. Do not guess your controller type
If the square turns green, your drive is successfully restored! Remove and re-plug it to use it as new. You cannot flash the controller with software alone
The MPTool (Mass Production Tool) is a specialized utility used for low-level formatting, firmware flashing, and repairing corrupted Phison-based USB drives. Download Links & Essential Tools
If your USB flash drive has stopped working, become write-protected for no reason, or is showing the wrong capacity, you've likely already searched for a solution and come across the term "MP Tool." Mass Production tools are powerful, low-level utilities used by manufacturers to initialize and configure USB controllers. For the very common Phison PS2251-07 (also known as PS2307) controller, finding the right tool and version is a critical first step.
If your drive shows as "2307 PRAM" or "No Media," it has entered a . In this state, it may not be visible to standard formatting tools. Phison PS225107 USB Drive. - HDD GURU FORUMS