Specifically targets errors where a drive becomes "read-only" and refuses to format through standard OS methods. Low-Level Formatting:
Phison PS2251 series (e.g., PS2251-03, PS2251-07, PS2251-67) Formatter Silicon Power V.3.7.0.0 -PS2251-.zip
Troubleshooting USB Storage: A Guide to Formatter Silicon Power V.3.7.0.0 -PS2251-.zip Formatter Silicon Power V.3.7.0.0 -PS2251-.zip