Phison Ps225109 Patched ((full)) Here

to wait for a firmware flash rather than booting into its existing software.

Find the appropriate firmware file (e.g., BN09V...bin and FW09V...bin ) that matches the NAND flash type.

Sometimes, the controller erroneously sets a permanent "read-only" flag, making the drive unformatted. A patched firmware can reset this flag.

If a drive no longer shows up with the correct capacity, or fails to be recognized, re-flashing the firmware can revive it.