Phison Ps2251-07-ps2307- Mptool [portable] -

Remove software-level locks that Windows cannot bypass.

: Capable of creating hidden or password-protected security partitions and dividing the drive into multiple logical disks.

The USB should disconnect from any short-circuit state, and MPTool should now detect the device in "ISP Mode," allowing you to flash it. phison ps2251-07-ps2307- mptool

– A green circle means your drive is back to factory state. Red means a fatal error—usually a bad flash chip or mismatched firmware.

Open the or Option menu. You will typically be prompted to load an INI configuration file. In the settings, ensure the following parameters are set: IC Version: Set to PS2251-07 (or your exact controller). Remove software-level locks that Windows cannot bypass

At its core, the MPTool is a low-level factory software designed for the Phison PS2251-07 controller. While manufacturers use it to initialize new drives, the tech community uses it for "USB surgery"—reflashing firmware to bring "bricked" devices back to life. Key Capabilities

This usually means the firmware file version is incompatible with your specific NAND flash. Try a different firmware (.bin) file. – A green circle means your drive is back to factory state

The Phison PS2251-07 is a common USB 3.0 controller found in many budget and mid-range flash drives (Kingston, Corsair, SanDisk in some models, and generic “high-speed” sticks). It supports multiple memory chips (2 or 4 channels) and is generally reliable—until it isn’t.

Phison MPALL (e.g., v3.70 or v3.72) is the main tool for deep repairs and partitioning.