Ensure your BIOS is set to AHCI mode , not IDE or RAID.

The is a powerful but dangerous utility. For mainstream users, always prefer the SSD brand’s official software (Kingston SSD Manager, etc.). Only reach for the generic Phison flasher if:

The primary reason users seek this tool is the infamous . This occurs when the SSD's firmware becomes corrupted or the controller can no longer read the firmware from the NAND chips, causing the drive to report a 20MB or 2MB capacity and becoming inaccessible for data storage. Step-by-Step Firmware Upgrade Process