If you are looking for the best tool to format or repair a with the Phison PS2251-162 (often misread from labels that actually refer to the PS2251 series) controller, the consensus among hardware repair communities like USBDev.ru is to use specific Phison-based recovery utilities. Recommended Tools
This ensures you are using the correct software, as using the wrong tool can permanently damage the drive. :
Based on your request, you are looking for a tool to restore or format a flash drive that uses the Phison PS2251-16 (PS2251162) controller chip.
Even the "best" formatter can throw errors. Here is how to fix the most common codes on the Silicon Power V3700.
If you need the specific file, search for: "MPALL F1 900D v3.60.0B PS2251-16" . This is widely considered the best formatter for Silicon Power drives with this specific controller.