Windows states it "was unable to complete the format."
If MPALL fails, look for Phison CTool . It is often more successful with specific "unrecognized" 2251-07 chips.
Run MPTool.exe as Admin. Click the or Refresh icon. Your PS2251-07 should appear with: Phison Ps2251-07 Firmware Update Tool
Restart the computer and verify that the storage device is working correctly.
The PS2251-07's firmware-upgradable nature creates a double-edged sword. While MP Tools enable recovery, they also enable malicious firmware injection: Windows states it "was unable to complete the format
This takes 2–5 minutes. The computer might appear to freeze—this is normal.
The tool will begin flashing. This process may take several minutes. Click the or Refresh icon
The Ultimate Guide to the Phison PS2251-07 Firmware Update Tool
Yes and no. Flashing the correct, newer firmware can optimize error correction and reduce latency. However, it cannot exceed the physical speed of the NAND chip. If performance is degraded due to firmware bloat, a fresh flash helps.