Phison PS2251-09 (also known as PS2309) controller has been a focal point for security research due to its susceptibility to firmware-level modifications, most notably the

Are you trying to or protect it from BadUSB vulnerabilities ?

Stability Patch After the recent reports of SSD and controller failures on Windows 11 , I've compiled a patched firmware version for the

Phison ST-TOOL V3.81.12_2021.06.18_TW (PS2251-70 - USBDev.ru