The biggest challenge is that Phison MP tools are . You cannot use a generic PS2251-07 tool meant for a Kingston drive on an ADATA drive, because each vendor uses different NAND chips, timings, and firmware.

: Designed for high-speed data transfer, typically reaching read speeds of up to 120 MB/s depending on the NAND flash used .

Because it was so widely used, it became a primary focus for data recovery experts. When these drives "fail" and show up with 0MB capacity, they are often stuck in a Firmware (F/W) loop . Specialized utilities like Phison Restore

You can copy files off the drive, but cannot delete, modify, or write anything new.

: Features built-in hardware Error Correction Code (ECC) and wear leveling to extend the lifespan of the NAND memory.

The PS2251-07 is famous among tech hobbyists because it is highly serviceable. If the drive becomes "Write Protected" or "Unknown Device," you can often fix it using specialized tools: