For the average user: If your drive has a VID/PID matching Phison (13FE) and model numbers 2251-68 or 2268, do not use it for archival storage. Consider it a temporary shuttle, not a vault.
The student had left the drive in a freezing car overnight. When he plugged it in the next morning, the controller’s internal temperature sensor read 0°C. The firmware, programmed to save power at low temps, entered a "deep sleep" mode. Upon waking, the PS2268 attempted to descramble the NAND using the current temperature offset (20°C room temp), rather than the original write offset (25°C lab temp). phison ps225168ps2268
: The single-chip design eliminates the need for a bridge chip, allowing for smaller, more affordable flash drive designs. For the average user: If your drive has