The tool does not support dynamic bad block reallocation for non-Phison flash. Any mismatch in Flash Type selection causes immediate "Device Not Responding" error requiring a hardware jumper reset.
Phison MPall v3.72.0b is a functional but risky production tool for PS2251 controllers. It excels at recovering bricked drives but lacks modern safeguards (e.g., no flash chip voltage check). Version 3.72.0b is stable for PS2251-07 but fails unpredictably with PS2251-03 (needs v3.63c). Phison Mpall V3.72.0b Ps2251 Flashboot
Repairing Corrupted USB Drives with Phison MPALL v3.72.0B If your USB flash drive is showing "Write Protected," "Please Insert Disk," or appearing as a "RAW" partition with 0MB capacity, it often indicates a corrupted controller firmware rather than a physical hardware failure. is a specialized Mass Production Tool designed to repair and re-flash drives specifically using the Phison PS2251 chip controller family . Supported Controllers The tool does not support dynamic bad block
Unplug the drive, wait five seconds, and plug it back in. Windows should now prompt you to format the "new" device. Common Troubleshooting It excels at recovering bricked drives but lacks
The PS2251-07.ini (or manual edit in MPParamEdit_F1.exe ) was configured as follows: