: Confirm it lists PS2251-07 or PS2307 .
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(Optional) Customize the Manufacturer Name or Product ID (PID) if desired. Save Configuration to return to the main window. 4. Flashing Process Connect the Drive : Plug your USB drive into a USB 2.0 port
Always connect your drive directly to a USB 2.0 port on your computer's motherboard. Do not use USB 3.0 ports or external USB hubs, as they frequently cause communication failures during the flashing process. 🛠️ Step-by-Step Mass Production (MP) Setup Follow these specific instructions to prepare and use the 1. Download the Required Software phison ps225107ps2307 mptool install
Replace the Firmware Name and Burner Name paths with the exact names of the files you downloaded. Save and close the file. Section 5: Step 5 – Flashing the PS2251-07 Firmware
Using the wrong .fw file can permanently damage the drive. Ensure the files match the flash type (e.g., Toshiba TLC) identified in the pre-check USBDev.
Versions like v3.71.00 or v3.81 are commonly used for this chip. : Confirm it lists PS2251-07 or PS2307
Complete Guide to Phison PS2251-07 (PS2307) MPTool: Download, Installation, and USB Firmware Flashing
If you are reading this, you likely have a USB flash drive that has suddenly become a paperweight. Windows asks you to format it, it shows “0 bytes” of capacity, or it has simply vanished from File Explorer. For users of drives containing the controller, the solution is a powerful, technical, and often confusing piece of software: MPtool (Mass Production Tool) .
Phison PS2251-07 (also known as PS2307) is a popular controller found in many USB 3.0 flash drives. When these drives become "Write Protected," "No Media," or fail to format, the Phison MPTool (Mass Production Tool) is the primary utility used to reflash the firmware and restore the device to factory settings. If you share with third parties, their policies apply
⚡ If your PC cannot detect the USB drive at all (making it impossible for the MPTool to see it), you may need to manually short the pins on the NAND memory chip to put the controller into "test mode" before plugging it in.
What version are you running to use this tool? Share public link
Phase 1: Preparation & Identifying Your Drive