Phison Ps2251-07 Firmware Update Tool

This means the firmware binary does not match your NAND type. You need to find the correct firmware version. Use ChipGenius to get the original NAND ID (e.g., 98:DE:94:93:76 - Toshiba). Then search for a firmware pack containing that ID.

Inside the Setup/Settings menu, look for these tabs/sections:

One powerful feature of the Phison MP Tool is the ability to create a "Dual Drive" : one partition acts as a standard USB, and another acts as a DVD/CD-ROM drive from an ISO file. Phison Ps2251-07 Firmware Update Tool

How to do it:

Warning: This makes the drive unbootable on some older BIOS systems. To reverse it, run the tool again and set Mode back to "Normal." This means the firmware binary does not match your NAND type

Click the "Read" or "Scan USB" button (looks like a magnifying glass). The tool should populate a line with your drive's information. Yellow or red boxes indicate errors.

If the drive is still functional, note the firmware version from ChipGenius. This helps you find a matching firmware bin file. Mode: Usually set to 21 (CD-ROM partition) or

This is the practical part. We will assume you have downloaded MPALL v3.93.0C or a similar version.