This is a very useful tools for recover your Silicon Power USB which has Phison Controller model- PS2251. By using this tool you may get back your USB as brand new with full capacity and full functional as new but before applying this tools, please make sure your USB controller support it. To check your controller version and other info Click Here. If you found that the controller model is PS2251 then you may try this utility tools for recover the USB. Since its a low level formatter so it may take longer time depending on the USB capacity.