Select your USB drive from the list and look at the information provided. Verify the following fields match: Phison Controller Part-Number: PS2251-07 (PS2307)
This tab handles the core re-flashing process:
: Back at the main settings window, click Save . Choose a name and a safe directory.
Before installation, verify your hardware. The PS2251-07 and PS2307 are identical for firmware purposes. Use a diagnostic tool like ChipGenius or GetInfo.exe to confirm: Phison PS2251-07 or PS2307. phison ps225107ps2307 mptool install
Safety: Only download these tools from reputable tech forums (e.g., USBDev, FlashBoot.ru). Many "MPtool download" sites contain malware.
If your flash drive is completely unrecognized by Windows (shows no lights, throws immediate errors, or hangs the operating system), the controller is trapped in an infinite error loop. You must force it into :
If successful, Windows will make a connection sound, and the drive will report as a generic device. Remove the tweezers immediately after connection. Select your USB drive from the list and
MPtool does not use a Windows installer. It runs as a portable executable.
Here is the walkthrough of that process, from identifying the hardware to the final fix.
When a USB flash drive becomes write-protected, shows "Insert Disk," or reports 0 bytes of capacity, it usually means the controller firmware is corrupted. For flash drives using the controller, the official tool used to factory-reset and reflash the drive is the Phison MPTool (Mass Production Tool). Before installation, verify your hardware
. Next, they searched the archives of USBDev.ru or FlashBoot to find two vital files: A file typically named BN07*.BIN . The Firmware: A file typically named FW07*.BIN . Step 2: The Ritual of Installation
Before flashing, you must identify your drive's specific hardware using ChipGenius or .
Wrong MPtool version or bad driver. Fix:
Look for an initialization file named MP.ini or MPALL_F1_9000_v372_0B.ini .
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