Once finished, the drive will be completely raw (unallocated). You must now initialize it.
Solution: The firmware is corrupted. Download SP ToolBox (Silicon Power’s official utility) . Use the "Recovery Mode" or "Firmware Restore." Only after restoring stock firmware can you run the Extra Quality formatter. formatter silicon power v3700 ps2251 extra quality
The Silicon Power V3700 is a robust piece of hardware, but the Phison PS2251 controller is temperamental. Using a generic formatter is like washing a sports car with a dish sponge—it looks clean but runs poorly. Once finished, the drive will be completely raw
By using the dedicated Formatter Silicon Power V3700 PS2251 tool with the Extra Quality settings outlined above (low-level scan, 3-pass erase, bad block check) followed by an exFAT partition with 8192-byte clusters, you unlock the true potential of your USB drive. Solution: The firmware is corrupted
Solution: The PS2251 has entered a panic state. You must short two pins or use the Phison PS2251-03 Unlock Tool. Alternatively, use the command: diskpart -> attributes disk clear readonly -> clean.