Using firmware tools carries a risk; if used incorrectly, you can permanently "brick" the controller. Follow these general steps:
(often referred to as Phison UPTool) is a "sorting" and flashing utility specifically for Phison-based USB controllers. While the more famous Phison MPALL is used for high-quality production drives, UPTool is often the preferred choice for "second-tier" or lower-quality flash memory that requires more intensive scanning to bypass bad blocks. Key Specifications: Version: v2.094 (Release 20150909).
Works with Phison controllers including PS2251-61, PS2251-67, PS2251-68, and PS2251-07 (also known as UP21, UP23, and UP307 series). Core Features of UPTool uptool ver 2094 free
Allows for editing of the Vendor ID (VID), Product ID (PID), and serial numbers. How to Use UPTool v2.094
For more detailed technical guides and alternative versions, you can visit the Phison Repair Section at USBDev . Phison UPTool v2.094_20150909 - USBDev.ru Using firmware tools carries a risk; if used
Before downloading, use a tool like ChipGenius to confirm your drive uses a Phison PS2251 series controller.
Low-level formatting, bad block sorting, and firmware restoration. Key Specifications: Version: v2
Always run the tool as an Administrator. Avoid using other USB devices or demanding software while the flashing process is active to prevent crashes.