Ps2251-07-ps2307- Mptool - Phison

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.

Online forums (most notably flashboot.ru and usbdev.ru ) became digital detective agencies. Users with corrupted drives would upload the "VID" (Vendor ID) and "PID" (Product ID) of their broken sticks. phison ps2251-07-ps2307- mptool

This usually means the firmware file version is incompatible with your specific NAND flash. Try a different firmware (.bin) file. The Phison PS2251-07 is a common USB 3

The Phison PS2251-07 (also labeled as PS2307) is a common USB 3.0 controller found in many mainstream flash drives (e.g., Kingston DataTraveler 100 G3, Corsair Voyager). This report analyzes the use of —a low-level utility designed to format, repair, recover capacity, and rewrite firmware on these devices. Key findings indicate that while MPTool is powerful for reviving "dead" drives or removing bad blocks, it carries significant risks including firmware mismatch, permanent bricking, and vendor-specific lockouts. Users with corrupted drives would upload the "VID"

For the PS2251-07, you need a specific version. The generic “MPALL” (MP Tool) or “ST Tool” (Simple Tool) must support your exact controller ID: VID 0x13FE (Phison) and PID 0x5500 (or similar, depending on the OEM).

But this ubiquity created a counter-movement: