Click the button on the right side of the interface. The tool will scan your USB hubs. Your Phison PS2307 drive should appear in one of the numbered grid boxes, highlighted in light yellow or white. 3. Load Your Custom Profile
If your USB flash drive is corrupted, showing a "Write Protected" error, or appearing as "Phison USB DISK 50X USB Device" with zero bytes of capacity, the controller firmware is likely damaged. For drives powered by the (also known as PS2307 ) controller, the official solution is to use the Phison MPTool (Mass Production Tool).
Security software routinely flags mass-production utilities as false positives due to their raw sector-writing nature.
If no drive appears: re-check the driver installation (Part 2, Step 3). phison ps225107ps2307 mptool install
is specifically recommended for PS2251-07 controllers using eD3 flash memory. Phison UPTool:
(specifically optimized for PS2251-07 with eD3 flash).
Check the boxes for Burner File and Firmware . Use the browser button to link your copied BN07*.BIN and FW07*.BIN files respectively. Click the button on the right side of the interface
The process will cycle through:
Keep the configuration set to "1 Partition" and "Removable Disk".
Locate and run inside the folder as an Administrator. Select Advance Setting and click New Setting . showing a "Write Protected" error
Phison tools require two essential binary components to flash a chip:
The bootloader image, typically named following the pattern BN07*.BIN .