is a single-chip USB-to-Flash controller that supports various NAND flash types, including TLC and MLC. While it offers fast read/write speeds, firmware corruption is a common issue that makes the drive appear "dead" to the operating system. The drive is recognized as "2307 PRAM" in Device Manager. Windows reports the drive has "No Media" or 0MB capacity.
Backup any data if the drive is still readable. Flashing firmware will wipe the device.
When a PS2251-07 drive suffers from issues such as a "Write Protected" error, Windows prompting you to "Insert a disk," or raw memory panic modes like , standard formatting tools will fail. To rescue or customize these drives, you must use a Mass Production Tool ( MPTool ), specifically Phison MPALL or Phison UPTool . 1. Understanding the Phison PS2251-07 (PS2307) Controller phison ps225107ps2307 mptool
Flashing alters code execution at the hardware level. Adhere to these exact rules to avoid standard production errors. Execution Environment Rules:
Click the button on the right side of the screen. Your USB drive should appear in one of the numbered grid boxes. Windows reports the drive has "No Media" or 0MB capacity
controller, you need three distinct components that must match your specific hardware :
The drive will now register in a generic hardware state, ready to accept new instructions via MPTool. 4. Configuring Phison MPALL for Recovery and Customization When a PS2251-07 drive suffers from issues such
Verify that the tool displays your drive information in . Click the Start button to begin flashing.
It can reset the controller's internal flags that often lock a drive into "Read Only" mode after a hardware error.
This contains the primary operational system of the controller. The suffix matching is strict and depends entirely on your NAND memory profile: / *53M.BIN : Used for eD3 flash memory chips. *50TW.BIN : Used for TLC flash memory configurations.