: The tool can often bypass software-induced "Write Protected" errors that prevent data deletion or standard formatting.

: If the physical NAND chip is damaged, the tool will return a "Device Not Found" or "Format Fail" error.

If the basic formatter fails, community-driven firmware databases like

: For advanced users, the MPALL suite (specifically versions released around 2021 for the PS2251-116 chipset) allows for low-level formatting and firmware reflashing.