This is a gray area. The tool itself is legal; it is a piece of software that modifies user memory. However, using it to bypass security on a stolen device is illegal (Computer Fraud and Abuse Act in the US, similar laws globally). Legitimate uses include:
: Includes tools for factory resets, disabling Knox, and managing apps via Android Debug Bridge. samfw frp tool 10 hot
SamFW is a free, PC-based utility designed specifically for Samsung devices. Unlike generic Android tools, SamFW uses specific exploits found in Samsung’s firmware (usually the dialer or Knox settings) to remove the Google account lock without tripping Knox or wiping the phone again. This is a gray area