Is your USB flash drive showing 0 bytes? Is Windows asking you to format the disk every time you plug it in? Does your device manager show an “Unknown USB Device” or a device that simply won't mount?
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). phison ps2251-07-ps2307- mptool
MPALL_F1_7F00_DL07_v5.13.0C (Supports PS2251-07 exclusively)ST-Tool v2.10.7 (Often unbricks drives that MPALL cannot)Identification: ChipGenius is essential to verify the controller is indeed a The Complete Guide to the Phison PS2251-07 (PS2307)
Before downloading any software, you must understand what you are dealing with. The Phison PS2251-07 is a popular, budget-friendly USB 3.0 controller chip found in many branded and generic flash drives (Kingston DataTraveler 100 G3/G4, Corsair Voyager, PNY, and ADATA models). Recommended Version: MPALL_F1_7F00_DL07_v5
To fix a drive with this specific controller, you typically need one of these utilities: