Phison Ps2251-07 Firmware Update Tool !!better!! -

Use ChipGenius to confirm your drive uses the PS2251-07 and to identify the NAND flash type (MLC, TLC, or eD3), which determines the correct firmware.

You will find this controller in brands like Kingston DataTraveler (Generation 3/4), Corsair Flash Voyager, Patriot Memory, and many generic "high speed" USB drives from China. Phison Ps2251-07 Firmware Update Tool